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Her pursed mouth, her staring gaze.
Clinging to my lower body and devouring my cock, the lewd Kaju blowjob toilet already has my urge to urinate at an unbearable level.
There was no point in confirming.
It was just a final check.
"Nn… Nnu… Kku… Onii… sama♡ …Ohippo, roho♡ …Rahihe, saa♡"
Her staring eyes, arms wrapped around my waist, holding me deep while clinging.
Her small mouth stretches wide, and despite the difficulty, she prioritizes swallowing even a little more of my cock over breathing.
The glans pushes open her palate. The urethral opening touches her pharynx.
The path is already open down her esophagus all the way to her stomach.
"Kku… Nnu♡ …Rahi, he♡"
…Chuuu, jururuu.
The sensation of being sucked, the pleasant tightness of her mouth, the urine flows through the tube as if ejaculating.
Passing the valve, using my cock as a hose, right now—
"!?"
"Nn, nguuh!!♡ …Nn, nnuuu… Nnn~~!!♡♡"
As if an electric current ran through her, her body trembles and her eyes blink repeatedly.
Kaju, still holding my cock in her mouth, desperately works her throat. With the volume being what it is, it's immediately obvious how difficult and straining it is.
This is the fluid from my bladder that hadn't been released since last night's oral service.
If she hesitated even a little to drink, she would ruin the bed. That must be why Kaju never lets her mouth leave.
...Shororoo, shooooooo!!
"Nnu… Kku, kkukyu, goku, gokyu… Nnu, nggu, kuuuu!!♡♡"
She swallows desperately even as tears fill her eyes.
I understand it, I see it, yet I cannot slow the flow.
The act of urinating directly into Kaju's mouth — or rather, into another person's mouth. It feels unbearably good.
"…Sorry, sorry Kaju!!"
Only apologetic words come out.
I apologize with my mouth while continuing the oral service and the act of peeing inside her mouth. Because Kaju has accepted this act that places far more burden than internal ejaculation.
…Gokun… Kku, goku, goku!! ♡
...Shororoooooo.
Kaju remains clinging to my waist and refuses to let go. Even her tear-filled eyes stay fixed on me without looking away.
More than I do, Kaju hates interrupting this overly special play.
…Chu, kuchu.
"…Nn, reu reee."
"Kaju, it's already finished, isn't it?"
"Nn♡ …No, it's not… I'll lick it clean… Everything left deep inside, I'll take it all♡"
She pinches the shaft. Then, soft lips place a gentle kiss on the tip.
Like sucking through a straw, she draws out everything remaining deep inside.
…Shobo, chiroroo.
"Nnn!! …Ah, nnu♡ …Nn, I won't leave any behind♡ …It's table manners to properly receive everything that comes out♡"
I never intended to act that way. Still, for Kaju, this act must count as receiving a meal.
She unilaterally enjoys the pleasure with no return. For the sake of releasing lewd desires, she will accept any level of obscenity.
My little sister is unmistakably, without any excuse, without any doubt, an eroge heroine.
…Kuchu♡ …Chu, chupa♡.
"…Nnu… I drank so much♡ …My stomach is full♡ …Semen, pee… Everything that comes out of big brother's cock belongs to Kaju♡"
She grins and smiles happily. She acts as if she has composure, but looking closely, her face is flushed.
Trembling gradually begins.
"Kaju."
"…!!"
From her reclining position, Kaju sits up.
I see Kaju's form. My eyes widen and I swallow hard.
"…Because I drank it… Because I drank so much of big brother's warm stuff♡"
The loosened babydoll, the fabric damp with sweat and clinging to her body, accentuates Kaju's curves. Her beautiful stomach, her cinched waist.
And because the shoulder strap has slipped, Kaju's modest swell is visible. Its tip.
"…Big brother♡"
I see her breasts. Kaju instinctively raises her hands to hide them, but—
"————!!"
Those hands lower without covering anything.
"…!!"
There is no composure. We share the same feeling. At a moment like this, I suddenly think that no matter how far we go, we are still siblings.
The sense of immorality I feel, Kaju also shares.
Embarrassed, her face heating up, yet unable to stop, once again—
…Chu, chupu… Juru♡
"Nn… Nku, goku… Nnu♡"
She has finished drinking the urine; no more semen comes out.
Even though it had half-softened, Kaju once again puts her mouth on the shaft.
While doing so, her eyes remain fixed on me the entire time.
"Nnu, n mumu."
"…Do you want to make it hard again?"
I ask. Kaju nods silently.
"…Nn. Big brother, I want more♡ …Kaju wants more."
She begs.
She lifts the hem and sits in girl-style seiza. Adorably, yet lewdly, almost completely naked Kaju desires my seed.
"…!!"
Flushed cheeks, teary eyes. There is no way to resist, but my body is not fictionally inexhaustible enough to recover immediately.
"After we rest, we can do it again… For now, let's change clothes."
Let's reset. That is my suggestion.
For now, we can't stay like this. Even on Sunday, our parents leave for work early in the morning. Just because their eyes aren't here doesn't mean it's okay to have nothing on my lower body while Kaju wears only a babydoll.
So, quite naturally, I suggest—
"Put on clothes and let's take it slow for a while."
In a calm voice, I propose. However—
"I don't want to♡"
Lewd eyes paired with an adorable smile.
Kaju, dyed with the thoughts of a bad girl, gently slips the other strap off her arm. The strap of the clothes she is wearing.
The answer is rejection.
Right in front of me, while I watch, Kaju completely exposes her naked body.
There is no one else in the house. Even if she bares her skin, there is no problem.
"I don't want to… Kaju won't wear clothes♡ And I don't want big brother to wear any either♡"
There are still about 10 hours and a few minutes until our parents return home.
"Let's rest♡ …But Kaju cannot cool down this heat♡ …Kaju wants to become even hotter with big brother♡"
"…Kaju, um… You said only with your mouth, right?"
"————♡"
She draws closer.
Warm, humid air drifts through the room. Even breathing feels steamy because of the nearby source of moist heat.
With her mouth full of wetness, Kaju approaches.
And she clearly declares.
…I, w, i, l, l, n, o, t, r, e, f, u, s, e♡♡
"————!!"
My little sister might be able to become a politician.
～unfinished～
～to be continued