Reincarnated User Manual

The erect member was pushed in forcefully, prying open the tightly closed slit.

Crunch-crunch-

For a moment, it felt like a stake had been driven through the very core of her body.

What climbed up her spine was not pain but pleasure, yet the sensation from groin to navel was unmistakable. The mysterious feeling of the slippery rod intruding into her womb didn’t change.

“Hiik!”

A pleasure she felt for the first time in her life. And because she felt this without any mental preparation, the inability to respond appropriately was the biggest issue.

It was like being struck by lightning out of the blue. She remembered passing out drunk, but upon waking up, her long untouched place was being thoroughly explored by a close colleague.

Already in a state of confusion, with the added pleasure making her dizzy, Seira could do little about it.

“Hik…! Huk! Higgeuk…!”

Click! Riiip!

Perhaps due to his strength, the chest cover was cut as cleanly as if by a knife. Even while its owner shivered, the white breasts proudly displayed their shape.

“Wha-, what are you doing…! Hiit!”

“Wow, they’re inverted.”

Shiron brought his hand to her chest, as if he had made some astonishing discovery.

A large, thick hand was buried in her chest, which she had never allowed anyone to touch.

The soft yet springy texture. His calloused hand brushed against her bright red areola.

“Huang! Ah! Aang!”

Shiron hadn’t intended it, but he ended up attacking both her vagina and nipples simultaneously. Seira screamed in embarrassment, even feeling a chilling sensation.

Each time her widely spread groin was thrust into, a shiver ran down her spine. Like a stretched rubber band snapping back, she felt tingles from her toes to her knees, and from her knees to her groin.

Crunch-

Even during this, her vagina didn’t stop gripping on his penis.

Sloppy, sloppy. Even when she looked down, all she could see was her breasts… but she could distinctly feel his member going in and out of her drenched vagina. ℞ÄℕỔＢƐș

As expected, Seira’s vagina was hungrily chewing on Shiron’s member.

Despite being thrust into for quite a while, the tightness never loosened, and as if this was where his member belonged, it showed its pink flesh whenever he tried to pull out, refusing to let go.

“Uhng…! Wait! Uueung…!”

“Your reactions are good. Look, isn’t it nice once you get into it?”

Shiron smiled with satisfaction as he watched Seira moan. He thought he had just thrust in without any foreplay, but the response was better than expected.

After all, when he had unzipped her, the place was already overflowing with erotic juice.

It seemed like she had been stimulating herself for the past ten minutes. If not, there was no other explanation for why her vagina was so “puffed up” to the extent it could be described as ‘blown up.’

Realizing how eagerly she had prepared herself, his enthusiasm surged even more.

“I’ll make you feel even better.”

Burying his face in her chest, Shiron started to focus on her shy, hidden nipples.

Slurp- Slurrp-

“Hiik!”

He nibbled on the areola, teasing the nipple hidden right at its center with his tongue.

Round and round, his tongue circled the outer edge of the areola, gradually narrowing down to penetrate into the nipple itself.

Cluck-

Biting down, he scraped with his teeth.

The nipple, which had been deeply buried and hadn’t come out despite repeated thrusts, finally peeked out. Then Shiron gently chewed on the erect nipple with his front teeth.

“Ugh…!”

At that moment, Seira’s waist stiffened. Her firm buttocks clenched tightly and trembled.

The pain mixed with the onslaught of pleasure. The sensation was more painful than a pinch, yet this pain seemed to act as a catalyst, swinging open the door to flooding pleasure.

“Oh, ohh! Stop! I think I’m going crazy!”

Despite Seira’s desperate cries, what fool would stop in the middle of sex?

Shiron, now even more excited, started to suck on the other nipple as well.

Cluck-

Both the right and left nipples, which had been shyly hidden, popped out.

He licked and nibbled on one nipple while flicking and pinching the other.

“Hyaaang!”

Although he stopped thrusting while playing with her breasts, as if responding to her moans, his member swelled even more.

‘Did it, did it get bigger?’

Seira gasped as the throbbing member moved inside her vagina. Now somewhat accustomed, the feeling of suffocation had lessened, but just a moment ago, it had filled her abdomen to the brim, making it hard to breathe.

Yet, now that it had grown larger, her breathing became rough again.

Thump- Thump- Thump-

Her hypersensitive flesh felt even the pulse of his member.

Topping it off, she chewed on his member rhythmically like she was urging it to hurry up and fill her with semen. Seira’s vagina and womb massaged his member fiercely, as if a young girl was eager for it.

‘It’s about time.’

Feeling the faint sensation of climax, Shiron gradually moved his face upward.

His thick tongue made a swift circle around the tip of her breast.

In one swift motion, he licked up to her collarbone, then her neck, leaving a kiss mark as if claiming her as his own.

Smooch, smooch, smooch, smooch… Seira’s body jolted with each sound of the kisses.

Her body, now so sensitive as if she had ingested an aphrodisiac, couldn’t distinguish between itchiness and pleasure, and the intermittent pain from having her nipples pinched added kicks to the pleasure.

It felt like her entire body had turned into an erogenous zone.

Seira began to feel irritated at her body responding independently of her will.

‘How did it end up like this…’

Eventually, her will to resist broke down.

Her desperate words of resistance fell on deaf ears, and instead, they only inflamed Shiron further, leading to the opposite of what she intended.

She regretted not keeping as unresponsive as a log.

After all, what man… no, what person would refuse such an amusing toy?

Every time she opened her mouth, only moans escaped, and her toes curled whenever his member throbbed inside her. Her vagina was already flooded, and her once inverted nipples, which had been a complex, were now fully exposed, seemingly begging to be touched.

Moreover, with her body emitting a seductive scent, Seira couldn’t just blame Shiron.

[Kyaaak! No!!]

Yes, when you think about it, wasn’t it because of that damn spirit that her body was taken without consent?

If you looked at it point by point, Shiron had done nothing wrong. Rather, he was a victim caught in the schemes of the future Seira, the spirit.

Upon reflection, all he did was try to keep his word to make Seira feel good.

Even though he was intensely playing with her body, Shiron prioritized Seira’s pleasure over his own.

He could have just selfishly thrust and ejaculated, but instead, he focused on teasing Seira’s body while suppressing his own climax.

He also suckled on her breasts like a baby and meticulously performed foreplay that had nothing to do with his own pleasure, like licking her neck or collarbone.

Even with reason intact, it’s no easy feat for a male to defy instinct.

It was a rough, animalistic act, yet it was clear without a second glance that he was putting in effort for Seira.

To be honest, she even thought he was kind of cute.

Shiron, who typically spoke harshly and spanked her playfully since childhood. However, Seira knew better than anyone what kind of person Shiron Prient was.

She had observed him the closest and the longest.

To sum him up in one word, Shiron was someone who did everything with diligence.

He always did his best within his capabilities, whether it was sword practice, dungeon exploration, or meditation to gain divine power.

Just like how he diligently pleasured Seira, striving for the best was his way of life.

[Me, me, switch with me! I haven’t even tasted it much!]

‘…This cunning thing.’

Therefore, even without knowing the full situation, it was natural that Seira didn’t blame Shiron.

Crunch- Crunch-

“Huht!”

Seira, with eyes clouded by pleasure, looked at her legs flailing. The binding magic kept them wide open even when she wanted to close them. Shiron was a 7th tier mage, but even so, creating such a precise and terribly strong spell was still beyond him.

“Uhng! Ang! Ot! Eut!”

‘Dare to deceive a child and make him attack me?’

[…It wasn’t a deception! I just wanted to give a gift since he reached the 7th tier…!]

‘Why do that without the owner’s permission!’

Seira, even while being thrust into, shouted in her mind with all her might.

Crunch- Crunch- Crunch- Crunch-

As the sensation of climax approached, Shiron’s thrusts became even more intense.

A pleasure she had never experienced before flooded her from her engorged vagina. It was so intense it could make her lose consciousness if she wasn’t careful.

However, Seira held onto her consciousness with superhuman endurance.

[You don’t have to hold on! Just switch with me?!]

‘Shut up.’

Shiron wrapped his arms around Seira from behind. His thick arms enveloped her slender shoulders, and her erect nipples rubbed against his firm chest.

“Huuuung…!”

‘I won’t surrender the initiative even once.’

Seira solemnly swore, suppressing her moans. The slight sympathy she felt was completely overwhelmed by the audacity of her body being used without permission.

What remained in her heart was only stubbornness, determination, and a desire for revenge.

She had decided how she would take her revenge.

‘I’ll take everything you planned. You took my virginity, but I’ll claim your armpits, oral, and anal firsts!’

[Th, that’s…!]

The spirit, the future Seira, seemed to sense Seira’s resolve and let out a lament.

At that unfamiliar reaction, Seira gave a mischievous smile.

The direction of revenge was correct. Now, all that was left was to act.

“Kiss me while you come!”

First, she would receive his semen while kissing. Seira squeezed her vagina tightly and gave Shiron a pitiful look.

“Suddenly so proactive…”

Shiron tilted his head at the sudden change in attitude.

But he didn’t ponder why Seira had become proactive. Good things are good things. He moved his hand from her butt to the back of her head.

“Ha!”

Seira, without being prompted, eagerly sought his lips.

His slippery, thick tongue entered her mouth, and she relaxed her jaw and tongue, naturally blending into his conquest.

[I want that too! I want to kiss while being thrust into!]

A scream full of resentment and jealousy rang out. Feeling the thrill of victory, Seira played with both her lower and upper lips more actively.

Slurp, slurp, hua… gulp!

Slurp- slurp! Her vagina chewed on his member no less than her lips, urging it to release its semen quickly.

In response, Shiron pinned her down completely. Pushing his member as deep as it could go, he rubbed his glans against her cervix, urging it to open.

Splat! Brrr! Brr!

The sticky, thick semen filled her womb. Perhaps because he had held back his climax, the consistency of the semen passing through his urethra was denser than ever before.

One down. Seira trembled with a slimy sense of satisfaction.

But then,

“U-uh…!”

The pleasure grew even greater.

As his member continued to thrust, a pleasure even greater than when her nipples were bitten overwhelmed her mind.

‘Wha-, what is this?’

Seira was startled by the unexpectedly intense pleasure.

Wasn’t it just supposed to be receiving semen? It was strange since she hadn’t done anything to deliberately feel good.

Maybe her body was reacting as if it wanted to reach orgasm. Or perhaps the climax she had been holding back burst out due to a moment of carelessness.

[Ahaha! Now it’s my turn, right?]

The only thing she knew for certain was her urge to thoroughly beat up the spirit, the future Seira, in her mind.

‘No, no…’

Seira’s consciousness faded. And in that instant, another personality filled the gap without wasting a moment.

However,

“……Uck!”

The shift in consciousness was only momentary. The future Seira experienced an illusion as if she might stop breathing due to the sudden surge of pleasure.

It was a blunder. She should have waited for the pleasure to subside, but her impatience led to this mistake.

‘No, it can’t be!’

Her consciousness began to blur. Soon, her consciousness faded, and the original personality filled the gap.

[This, how could this happen! This isn’t right!]

‘You’re really hopeless.’

Regaining her consciousness, Seira felt contempt for the future Seira.

There’s a limit to being hopeless; she didn’t expect her future self to be unable to handle the lingering effects of climax.

[Hey! Let’s switch! I barely got to enjoy it!]

The future Seira screamed in disbelief, but Seira was not one to pity her.

‘Pfft, yeah~ I’m not switching~ Go away.’

[Kiyeeeek!]

How indignant must she be to scream like that? But that was none of Seira’s concern.

Instead, she enjoyed the afterglow of climax along with the screams.

“Haah… haah… Can we go again?”

“…You were telling me to stop earlier.”

“This is actually kind of fun. I feel like doing more.”

“If that’s the case.”

Pop! As he lifted his hips, his member pulled out from her vagina. With the stopper removed, a thick liquid gushed out from her vagina.

‘I almost came again.’

The glans scraping against her vaginal walls sent a thrilling pleasure, but Seira managed to divert her consciousness by releasing the binding spell.

Crackle-

With a spark, her limbs regained their freedom. Her groin tingled from being spread open for so long.

However, what she needed to focus on now wasn’t just the condition of her groin. Seira tapped her semen and arousal juice-soaked vagina, then brought her face close to his member.

“I’ll, I’ll suck it. Just lie back.”

Shiron complied without a word.

‘…This is something else.’

Perhaps because she buried her face in his crotch, a lewd scent filled her nostrils.

The acrid smell of semen,

The scent of the female juices released to accommodate his member…

To be honest, it was not something easy to put in her mouth.

But,

[If it’s hard to suck, why not let me do it? I can suck it very~~ well.]

‘I can suck it well too?!’

What was worse was the voice in her head.

Seira wasn’t conscious of it, but she felt a strange competitive spirit towards the future Seira.

Enough so that her aversion was offset, her tongue found the mixture of semen and arousal juice delicious!

“Ha!”

In one go, the soiled member entered her mouth. Her nose tingled. Sour, salty… an indescribable taste spread across her tongue.

“Smooch, slurp, slurp.”

Not stopping there, Seira diligently worked her mouth to clean his member.

“Mmm, slurp, cluck…”

She greedily sucked the liquid accumulated at the tip of the glans, swallowing the thick and fishy fluid mixed with her saliva down her throat.

Each time, a repulsive smell rose, but even that soon became familiar.

‘Not bad to suck, huh?’

“Slurp♡, chup, hrrp, slurrppp♡.”

Her tightly closed eyes relaxed, and her purple eyes formed crescents. Seira started to savor the member, moving her tongue with dedication.

“Slurp♡, hrrp. Mmm♡.”

Gulp-

The member that had just climaxed grew in size inside her mouth.

The sensitive member sent pleasure up through its base, and Shiron’s breathing also became rougher.

“…Huu.”

He intended to see how well she could do, but perhaps due to 700 years of pent-up sexual desire, there was a primal wildness in Seira’s fellatio.

He unconsciously gripped her ashen hair with both hands.

The member swelled and throbbed inside her mouth, as if it was about to climax again.

‘Maybe I have a talent for this?’

Her enthusiasm growing, Seira sucked more actively.

“Slurp, mmm, slurp, cluck, sluuurp… gulp!”

Even without being taught, she thrust the member deep into her throat.

“Gulp, urk.”

The uvula pressed, bringing on a wave of nausea. Yet, she held it back, taking the member even deeper to the base.

‘I’ll be the first to have throat sex too!’

Seira’s tongue moved faster as if urging him to climax. Just like her vagina had chewed on his member, her tongue poked out to stimulate the area behind the shaft.

Shiron didn’t resist the continuous urging to climax.

His philosophy was, if he was going to come, then he should do it thoroughly.

Shiron grabbed her head firmly and pushed it down towards his crotch.

“Urk…!”

Tears welled up as the member was suddenly thrust deep. Her nose felt itchy, and the nausea intensified.

But,

Seira was a strong woman. She could endure such physiological reactions with sheer willpower.

‘I’ll be the first to drink semen too!’

She tensed her lower abdomen. Her warm, soft tongue squirmed.

The penis swelled even more.

Seira opened her mouth wide and closed her eyes.

Splat! Brrr!

Semen was released in one go. Even after one climax, the volume hadn’t diminished at all.

Gulp- Gulp-

Seira swallowed the semen without resistance.

The warm flesh of his member penetrated her throat, and her gulping throat squeezed it.

It was like an oral vagina. It felt the same, squeezing to extract semen, only without the wrinkles.

The undulating pleasure led to a long climax.

Having thoroughly ejaculated, Shiron looked down at Seira.

“Umbup…?”

Seira, with teary eyes, continued to suck, drawing out the remaining semen from the urethra.

Slorp!

She swallowed the semen with its musty, tingling scent, finishing up by licking the urethral opening with the tip of her tongue, examining the now clean member.

“…Phew. It’s not as bad as I thought… urgh. It’s manageable!”

Honestly, the musky, sharp scent was repulsive. But, she was still a woman after all.

Just like the future Seira had gone into heat from the wild scent, Seira also had the potential; she just lacked the trigger.

The other spirit shared the same body. Seira’s vagina had long reacted to the smell of his member and sweat. Even filled with semen, her vagina still yearned for more, gaping for it.

“How was it? My all-out sucking?”

Seira said proudly, pushing out her chest. Shiron, as if praising her, pulled her into an embrace and stroked her.

“Yeah, for a first time, you did really well.”

“Right?”

Seira laughed foolishly in Shiron’s arms. Initially driven by spite, but perhaps due to her thirst for praise and validation, she felt an uncontrollable joy deep within.

“Now! On to the next stage!”

Seira broke away from Shiron’s embrace with a bright smile. While it was nice to receive praise, her aim was to outdo the future Seira.

Seira raised one arm and brought it to Shiron’s face.

Shiron squinted at the armpit suddenly thrust at him.

“…What’s this?”

“What do you mean… It’s an armpit…”

“I know that, but what are you trying to do?”

“……Want to try using it?”

Even as she wondered what she was saying, Seira did not back down from her will.

She pulled Shiron’s face into a headlock-like embrace.

‘…Is this also a kind of reward?’

Shiron thought quietly as he was suddenly embraced.

‘Or maybe she has an armpit fetish…’

That was the only way he could think of it.

‘She was sniffing around there earlier too.’

Though he didn’t have a particular fetish for armpits or their scent, Shiron decided to go along with Seira. He supported her buttocks, burying his face in the soft flesh.

“Huht!”

Seira gasped and moaned, swallowing her breath.

She had claimed her first in another new way, but the itchiness was unexpectedly intense.

‘It’s, it’s too itchy?’

Every time his breath touched her armpit. Every time his tongue greedily licked her armpit… It was an itch that threatened to drive her crazy.

She had tried so hard not to lose her mind, yet losing consciousness to tickling wasn’t much different from pleasure.

“Uh, ahahat! Stop! It’s too itchy!”

“…Just hold still.”

Seira pushed Shiron’s head away, but he didn’t budge, continuing to lick her armpit.

To be honest, there wasn’t much taste.

Perhaps because she was an elf, there was no salty taste from her sweat. No musty smell either.

Just a refreshing citrus scent.

Had Seira not been squirming, he might have licked it all day with its pleasant taste and scent.

“Stop! I, I was wrong! Let’s stop!”

[Switch! Let’s switch! I want to get my armpit licked too!]

“Don’t stop! More! Harder! Ugh!”

“…What do you want me to do?”

“Ah, no… That’s enough with the armpit. Let’s do something else…”

When Shiron pulled his face away, Seira said timidly.

In the heat of the moment, she had said something ridiculous.

Look, even Shiron seemed to notice something odd, looking at her with a face of disbelief.

“It, it was itchier than I thought. I guess I lost my mind for a moment.”

Ah, ahat.

Seira laughed awkwardly, feeling sorry for spoiling the mood. If this continued, the flow might break, and Shiron might leave the room.

If that happened, her plan to take all the first experiences from the future Seira wouldn’t work out. Seira hurried to bring up a topic that would interest Shiron…

So,

“Other, other than that.”

She spread her legs wide, exposing her anus.

“Let’s do this.”

“Is this okay?”

Shiron stared intently at the widely spread buttocks.

As if it had been prepared before the sex started, only a lewd scent emanated from the widely opened hole.

“It’s fine, who do you think I am! It might even be cleaner than my vagina… yeah!”

Seira exclaimed confidently, though her face was as red as if she had never done this before.

It was embarrassing after all, since the anus was inherently a shameful part. While the vagina was meant to receive a penis, the anus… was not designed for such activities.

An act too shameful even to mention…

It’s an orifice meant for expelling, not for receiving. Even with magic, embarrassment was still embarrassment.

Frankly, she regretted bringing it up.

“Hmm… If you say so…”

Shiron reluctantly approached, although he wasn’t without curiosity.

Since demons don’t defecate, he might have indulged in anal play with Yuma if it weren’t for the indescribable aversion at the time.

Now, he was feeling regret. The sensation of using the back passage, not the vagina he had tasted to satiation, as a vagina… Curiosity!

It was natural for him to be interested.

“Sh-should I be in this position?”

As Shiron moved, Seira quickly adjusted her position.

She lifted her hips higher than when she spread her vagina, parting her buttocks with her hands to make it easier for the penis to enter.

A cascade of semen flowed from her gaping vagina, so no lubricant was needed.

“Then, I’ll put it in.”

“Come anytime!”

Thump-

As soon as the words were out, his penis, covered in semen and arousal juice, rubbed against her anus. Seira’s body stiffened like stone from the chills, but she lacked the strength to push him out.

“Oh… oh dear…”

Click-

Click-

After a few knocks, his penis was sucked into the hole with a slurp.

Zzzzzzzcrunch-

It was incredibly tight. When he pulled out his penis, now clean from the mixture of arousal juice and semen, it felt like he had just washed it.

“Wow…”

Shiron clicked his tongue at the unprecedented tightness.

Unlike the vagina, it didn’t envelop the entire penis, but the grip at the entrance, chewing on his member, was unbeatable.

‘If I did this with other girls, wouldn’t my penis get cut off?’

The other girls he was referring to were the sword-wielding females…

Siriel, Lucia, or Yoru… Their strength was beyond even Shiron’s, so their anal grip would undoubtedly be several levels above Seira’s.

‘Anal sex… only the inexperienced would dare.’

Slurp-

“Huh…!”

Shiron felt the incredible tightness as he moved his hips. Although there were no wrinkles, the rectum clung to his penis without a gap.

“Huung…!”

Seira was startled by the sudden sensation. Unlike the pleasure from the vagina where it had just brushed past, here the pain was more intense.

‘Is this right? It feels like it’s tearing apart…!’

The sensation from an orifice unrelated to reproduction made Seira grimace.

But that was only for a moment; as the pain subsided, pleasure began to grow.

“Uck, huuk!”

Thuck!

It hurt when he pushed in, but due to the large size of his penis, the relief when pulling out was immense.

Click!

Crunch!

It was pleasurable, but indescribable. She had never expelled anything this large from her anus before, so it was naturally impossible to describe.

Moreover, Shiron was considerate, rubbing her vagina.

“Ot!”

“Does it feel better now?”

“Puhng!”

He rubbed, flicked, and tapped her erect clitoris.

This was almost like threatening her to feel good.

As the tightness of her anus loosened, Seira’s pleasure also began to intensify. However,

“Euk! Huuk! Uung! Fuung! Uuk!”

…the moans she let out were too vulgar.

‘Wha-, what’s wrong with my voice?’

Seira, startled, opened her eyes wide and covered her mouth.

“Uck…! Huoooh!”

However, that alone couldn’t stop the moans from escaping. Rather, not being able to breathe properly made it impossible to control her moans.

[…Such a vulgar moan. It’s so crude it’s almost sickening.]

‘Go, go away!’

When even the future Seira grimaced, Seira angrily dismissed her.

“…Ot! Fuung!”

Even to herself, the moans seemed hopelessly vulgar. It didn’t sound human, more like the cry of livestock.

But she couldn’t stop making such sounds.

The penis was scraping past the back of her uterus, a place it could never reach when inside her vagina.

Plus, her vagina was being poked by thick fingers, her nipples pinched by fingers…

“Huhp…!”

Her mouth, which had been moaning, was now muffled by her own hand.

Seira felt like she had become a tool just for sex.

She wanted to do something, but every time his penis thrust deep into her anus, her breath was cut off, and her whole body stiffened, leaving her helpless.

Brrk!

The same when Shiron climaxed.

There was the sensation of something hot entering her insides, but more than that, it was the feeling of her anus not letting go, drawing out the penis that was the issue.

Endlessly vulgar yet embarrassing.

Deep regret set in.

If she had known it would feel this strange and bizarre, she might have let the future Seira take the lead.

‘Sw-, switch! Let’s switch! You wanted to do this!’

[You go ahead… I can’t let my disciple see me in such a disgraceful state.]

The embarrassment is yours to bear. The future Seira sharply drew a line.

Brrk! Brrrk!

Ah, once again, semen was flooding into her insides. Perhaps due to the tightness, Shiron reached climax faster than when he was thrusting into her vagina.

Splat! Brrk!

…Again. More hot liquid gushed in with a surge.

“Oh, this grip…”

Shiron continued his thrusting, sweating profusely. No, it wasn’t even thrusting anymore.

The tightly closed anal vagina was squeezing out the semen with immense pressure every time he tried to pull out.

It felt like a pump rather than pistoning. Ejaculating felt good, but at this rate, he feared his balls might be completely drained.

It was ominous. Doing more might lead to something going wrong. It felt like his soul might get sucked out.

Thrust! “Ughhh!”

With the final ejaculation, as he pulled out his penis, Seira also let out an incredible moan.

Had she reached climax? Her anus, gaping and twitching, was clearly visible.

A cascade of semen, a scene of undeniable lewdness, but even lewdness has its limits.

[How can she be so vulgar…!]

The future Seira shuddered in relief that this was not her problem.

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