Chapter 218 Sexy time (R-18)

A/N: Double length chapter! Enjoy, you degenerates…

-----

It started off with a kiss.

Our bodies in the warm waters were quickly heating up, but it wasn't only because of the hot spring temperature. Something like that won't affect higher beings like us, although we can still enjoy such luxuries.

No, it was the sexual tension between us.

I shouldn't be able to feel horny with my slime body, but I do. It doesn't happen as often as my time as a human, but I do feel horny every now and again, and sometimes it reaches a point where I need to relieve it. So I turn into my male form (sometimes female) and masturbate.

And that same feeling is rushing through my body once more as my eyes roam over Mikoto's flawless skin.

And slowly, our lips met.

It was just a normal, chaste kiss. Just touching our lips.

Of course, I'm horny as fuck, and so is Mikoto, so that quickly escalated into a tongue war.

I'm winning, by the way. Just saying…

Her tongue is small but surprisingly aggressive. Her saliva, somehow, tastes sweet. Not like sugar, but a kind of fruity, natural sweetness.

And apparently, her tongue is an erogenous zone. A sensitive one at that. During the kiss, her body shook several times. I recognised this as her climaxing. It's a little cute in a way, as her body trembles in my embrace.

A sort of primal urge rose within me at this, a sort of twisted pleasure.

I want to make her tremble like this more.

And so, I got more aggressive. There's no need to hold myself back, both of us are higher beings with highly durable bodies, and we don't need to breathe.

We continued like this for several more minutes. I'm not sure, I wasn't keeping track of time, I kind of just lost myself in the pleasure.

During those minutes, our position changed.

I am sitting on one of the inbuilt seats underwater with Mikoto sitting between my open legs, her back pushing up against my chest, my arms wrapped around her waist.

Mikoto- "*Chuuuu* PWAH! Hah… hah…"

After her eighteenth climax, she breaks off the kiss. Her eyes are glazed over and unfocused, her breathing is heavy and ragged. Not because she needed air, but because her mind is trying to recover from being ravaged by the pleasure.

Her hair is also slightly messy, still dripping with water, and her face is flushed with a healthy pink glow.

A trail of saliva leaks from the corner of her mouth. Still feeling hot, I stick out my tongue and lick it. Her unfocused eyes meet mine from the corner of her eyes.

I lick my lips and smile smugly.

Rimuru- "Delicious…"

My arms wrapped around her waist move, gliding over her body to their destinations, sending a shiver down her spine from my touch.

My right hand rises towards her budding chest, my left hand lowers down towards her secret gardens.

My fingertips brush over Mikoto's nipple and pussy… and I begin to rub.

Mikoto- "Wh- Oah~!"

A sensual moan escapes her lips, her body trembling as she pushes back against my chest once more.

Her hands grab mine, trying to stop my movements to let her mind catch up. Unfortunately for her, she is currently too weak in this state, so I easily ignore her and continue to pleasure her.

My fingers start off slow as if I was stroking a pussy… cat…

Pun intended.

It seems that her whole body is sensitive, not just her tongue… fucking hell, that's hot.

My fingers slowly start speeding up, faster and faster. And yet, while my fingers speed up, I slowly start releasing the pressure, until eventually my skin is just barely touching her, merely brushing against her lightly.

Mikoto- "Aah~ aah~ aah~ aaah~ ahh~ aaaah~!"

Mikoto starts making small little moans, her body on the verge of climaxing, yet being denied by the smallest margin.

Her back arches as she pushes her lower body forwards, silently begging me to put even a little more pressure into my fingers, begging me to let her cum.

Her eyes, barely focused as they are, stare into mine. Her imploring eyes caved in my will…

And so, I slip my middle and ring fingers into her pussy and push against the roof of her vagina and I pinch her nipple with my other hand, hard.

Mikoto's body trembles as she pushes her back against mine, her body arching even further. I can hear Mikoto's teeth clench together, and I see saliva leak from her mouth again as her eyes roll upwards.

She didn't moan. To be specific, she couldn't moan. Her body wouldn't let her as it locked up from climaxing so hard.

Several seconds of nonstop cumming later, her body relaxes. She stops arching her back and lowers her lower body back into mine, leaning against my chest, seemingly exhausted.

Her breaths are deep and heavy. It's as if she just finished a marathon.

Mikoto- "N… No more…"

Once her breaths calmed down somewhat, Mikoto mewls, her soft, fragile voice tugging at my heartstrings.

But I'm not done yet. I also know Mikoto isn't done yet. Her body is fine, it's just that her mind is worn down from the constant waves of pleasure crashing against her ego.

And so, I just have to get HER to ask for more.

And so, I lift Mikoto's body up and move her over, allowing me to get out from under her.

I stand up and walk in front of her limp body, causing the waters of the hot spring to splash about. Her tea-coloured eyes meet mine in slight curiosity.

And I do something I haven't done in a long time.

I shapeshift into my male form.

My body grows an inch or two, my eyes and face sharpen. My body fills out with slight traces of muscle. Not enough to compete with bodybuilders or athletes, but more like I work out daily.

Well, I'm still in the body of a teenager. More muscle will be offputting unless I age into an adult.

Though… I may have advanced my body's age… just a bit. So now, I look like a 17, 18-year-old, instead of a 15-year-old.

And this caused Mikoto's body to freeze and, most likely, cause her mind to shut down.

I've seen my male form in a mirror. I almost took the term "go fuck yourself" literally, and I'm perfectly straight. My entire body was like perfection personified, yet not unnaturally so.

I've walked down Avalon's streets in my male form when the city was just starting up. I ended up being chased around the whole city by a bunch of thirsty women, both young and old. Since then, I sealed that form away.

Until now.

Mikoto's mind rebooted as her eyes soak up my image. I can hear her breaths grow more intense, the light blush on her face deepening into a darker crimson.

And then her eyes lower.

I feel her gaze slowly training down my body. My shoulders, my chest, my stomach, and finally… my manhood.

My raging boner that's peeking out from under the surface of the water, to be exact.

A full 21 inches with the thickness of my forearm- FUCK NO.

It's a nice snug 7 and a half inches. It's got a decent thickness too, but nothing too overbearing.

This is what I consider the 'ideal' dick size.

And it seems Mikoto agrees too.

.

.

.

Fuck, she fainted.

Later…

I took Mikoto out of the hot spring and teleported us into our bedroom. I laid her down on the bed, waiting for her to wake up again which, thankfully, only took five minutes or so.

And now, we're getting ready to fuck.

The room is dark, but not pitch black. Nonetheless, we can still see clearly, courtesy of our enhanced physiques.

I can smell Mikoto's scent, and it smells like she just came out of the shower after using her favourite brand of shampoo.

She is lying on her back, with her hands above her head, her whole body expression is positioned temptingly.

She has a light dusting of pink on her cheeks, but it's not to a heavy degree. My golden eyes meet her tea coloured ones, both of us staring unflinchingly at each other.

I feel mesmerised as I look into them, a sea of milk tea with arcs of blueish-white lighting occasionally flicking within, holding violent, yet tamed power.

We stay like that for at least a minute before Mikoto opens her mouth, her words sounding like the mewling of a kitten.

Mikoto- "Please be gentle…"

And to that, I smile.

Rimuru- "No promises."

And with that, I slowly slide my dick into her vagina.

Mikoto's eyes close tightly while my cock smoothly slid further and further into her.

Eventually, I feel some resistance… it's her cervix.

Mikoto's eyes open, looking at where we're connected with a slightly confused face.

Mikoto- "No pain…?"

Rimuru- "Maybe you don't have a hymen?"

I remember reading somewhere that a hymen has no use outside of telling whether one is a virgin or not, so maybe she unconsciously decided that her body had no need for it and removed it upon her evolution into a Spiritual Being?

As for the theory of her not being a virgin until a few seconds ago… pfft. As if.

(A/N: I just wanna say, YES, MIKOTO IS A VIRGIN (at least, she WAS until a few seconds ago). MC trusts her because he loves her and she loves him, both of them know that.)

In any case, we continue. I slowly take out my penis before pushing it back in. I take it out again, and the back in. Out and in. Out and in.

I slowly move my penis back and forth, honestly a bit scared of going faster.

I mean… I'm already on the verge of climaxing.

You have to remember, I'm a virgin in both this life and my last. Furthermore, I rarely masturbate with this new body with low horny levels.

If it's any consolation for my slightly wounded pride, it seems that I'm just as sensitive as Mikoto, if only in my genital area. It also seems that Mikoto is also on the verge of climaxing as well, judging by how she is clenching her mouth shut and I feel her vagina walls clamping down on my shaft.

Hard.

Goddamnit woman, you're making it harder for me!

It can't be helped, it just feels so pleasurable. My dick is sensitive, so I can feel literally every fold and bump inside her. Not only that, but I can also feel that Mikoto is absolutely flooded down there.

It smells like honey mixed with the scent of flowers.

I glare at Mikoto. She catches my glare and she looks back with a slightly victorious smirk as she consciously squeezes down even harder on my dick.

I clench my teeth.

I'm not fucking losing this.

I continue moving back and forth, this time a bit faster, holding back my orgasm with the sheer force of will.

If I had this willpower in my past life, No Nut November would've been a breeze.

Back and forth, back and forth, the tip of my penis kisses against Mikoto's fleshy cervix again and again and again, the length of my dick rubbing against every fold of Mikoto's warm insides.

Mikoto- "Nn..! Mnn~! Nnn! Mmm…!"

Mikoto's short little moans escape her clenched teeth, also holding back her own orgasm with her colossal mental capacity. She climaxed a lot in the hot spring, turning into nothing but putty under my hands. But this time, she's going to have her revenge!

Mikoto glares at me, this time it's my turn to give a taunting smile.

I speed up a bit.

Mikoto's juices quickly leak out, dampening the sheets under us.

I continue to increase my speed.

The pressure around my shaft slowly loosens before Mikoto quickly clamped down on me. This pushed me right to the fucking edge, barely a twitch away from releasing my fluids.

Rimuru- "Augh!"

My slight moan combined with my otherworldly features make Mikoto's heart leap, as she unconsciously loosened her tight grip, giving me some breathing room.

Eventually, my thrusts reached a fast-paced stable rhythm.

Smacking sounds echo throughout the room as flesh slaps against flesh.

Mikoto tries to hold back her moans, but I can barely tell the difference between that and her not bothering to hold back at all. She's just that loud.

Mikoto- "Aah~! Eah~! Ahn~! Ahh~!"

She practically shouts out her moans each time the head of my dick knocks on the doors of her womb.

I also have to struggle to hold back my own grunts, as embarrassing as that is.

Both of us are walking a very thin tightrope. One slight slip in our concentration and we'll climax so hard it will make every other orgasm pale in comparison.

More importantly, victory will go to the other.

And neither of us like losing.

But alas everything must come to an end. I'm not sure how long I can keep this up, and without being fused with Illya, my mental capacities are heavily inferior to Mikoto's.

Sure, she barely uses even 1% of her total capacity in daily life, keeping the other 99% sealed, but it's nearly certain I will slip up before her, and judging from the smile on her face that is warped from the moans and waves of pleasure shattering her mind, she knows that too.

So, I have to finish this now. Luckily, I know what to do to win.

But more important than any victory…

I close my eyes and take a deep breath.

I push out my will to win and only hold one objective in my mind.

… I want to make this a night I will remember for the rest of my seemingly immortal life with crystal clear clarity.

With a smile from the bottom of my heart, I stare into Mikoto's eyes.

I lift my right hand and cup her face, holding her cheek in the palm of my hand.

My left-hand grabs Mikoto's and I entwine our fingers together, using my thumb to stroke her smooth, unblemished, seemingly perfect skin on her own hand.

Rimuru- "I love you."

I whisper, before locking my lips with Mikoto's and plunging my tongue into her mouth, tasting that sweet, sweet saliva again.

At the same time, I cheat a bit and extend the length of my penis by another inch. And thickening it proportionately.

I thrust one more time, going literally balls deep, my sack hitting her fleshy ass.

The tip of my penis smashes into Mikoto's cervix… before penetrating it, hitting the back of her womb.

Mikoto's moans stop, her brain completely forgoing the natural response to moan in favour of working at full capacity, trying to comprehend and process the tsunami wave of nothing but raw euphoria crashing onto her mind, doing everything in its power to prevent itself from falling unconscious.

Her mouth opens, but no sounds come out. Her eyes dim and roll upwards, disappearing halfway into her upper eyelids.

Unconsciously, her legs fasten themselves around my hips, holding them tightly and silently begging me not to pull out.

Alas, this was the limit for me too.

Mikoto's pussy clamped down onto my cock with never before felt tightness.

With the kiss that I myself started, that was the tipping point.

Pure white sperm rushes out from my urethra like a torrent, completely flooding Mikoto's womb with the stuff, painting her walls white. I released so much that I could feel a decent amount of it leak out from her womb.

Mikoto herself also climaxed so hard, her own genitals flooded with her natural nectar.

With nowhere else to go, my sperm squirts out from Mikoto's pussy and dribbles down her ass, forming a strange mixture of both of our orgasm fluids.

To whoever asks me, I will forever deny the fact that I groaned/moaned louder at that moment than I ever have done before.

I lay there on top of Mikoto's trembling body, my dick still stuck in her vagina.

I can feel Mikoto's budding chest push into my own, her hardened nipples rubbing against my skin, my left hand still interlocked with Mikoto's hand, my right snaked around her back to hug her.

We stayed like that for a while.

Mikoto's trembling body stopped shivering as much, although she would still make small quivers every now and again.

Both of our breaths calm down into a soft rhythm, quickly turning into the only sounds you could hear.

Rimuru- "… I won."

Mikoto- "Don't lie, it was a tie, you came just when I did."

Rimuru- "No, there was a small difference of half a second."

Mikoto- "Half a second doesn't count."

Rimuru- "Oh really?"

Mikoto- "Really."

We both fall silent, our breaths replacing our rather short banter.

Rimuru- "…"

Mikoto- "…"

Rimuru- "…"

Mikoto- "…"

Rimuru- "… Wanna go again?"

Mikoto- "Yes."

We ended up staying in that room for the next three days, a whole 72 hours.

What can I say? Higher Existances have limitless stamina.

-----

A/N: And there you have it, an extra long R-18 chapter. Gotta say, Im really proud of this.

Let me know what you think.

Also let me know if I missed anything.

Consider dropping some power stones!