+18
Extra 7
Peter and I have a rule between us.
It's "Only one sex session per month."
I don't know how other couples operate, but since we're a superhuman pair who can't control ourselves once we get started... we agreed that once a month is about right.
Both Peter and I willingly established this rule.
And yet.
...Our bodies—or rather, our libidos—weren't having it.
We’ve both been masturbating to soothe our heated bodies... which is pretty ridiculous, if you think about it.
We have each other, and we both want to have sex, yet we’re settling for solo acts.
Well, the rule is only once a month, but...
It’s not really being followed.
We try to stick to it, but it usually ends up being twice a month, more or less.
Honestly, once a week... no, even twice a week would be fine, but I... yeah.
Anyway, whenever one of us gives in to desire, spontaneous sex breaks out.
We have this unspoken rule—or maybe it’s just a flimsy excuse—that these don’t count toward the monthly limit.
But enough about that.
Today’s my overnight stay at Peter’s place.
Thing is, we’ve already done it this month.
Two weeks ago, we went at it nonstop until we were nearly unconscious.
It felt incredible.
Ahem.
Anyway, that means today is a no-sex day.
And yet, right now—
I’m—
Incredibly turned on.
My lower body is throbbing.
I want to pin Peter down right where he sits and have my way with him.
At times like these, it’d be easy to just say, "Wanna do it?"
He’d probably agree, and we’d have wild sex.
But then… wouldn’t I just seem like some sex-crazed nympho?
So I decided to tempt him into making the first move.
Night had fallen, and the clock’s hour hand pointed to 8.
The end credits of the movie we’d been watching on TV were rolling.
Time to put my seduction plan into action.
Step 1.
I say something like, "It’s a little warm today…" and fan my clothes.
I’m wearing one of Peter’s hand-me-downs—a slightly oversized shirt he used to wear.
It’s basically loungewear, or a "boyfriend shirt."
I pull at the collar to let air in.
Spatially, I’m on the floor, while Peter’s sitting on the bed.
From this angle, he can peek right down my shirt.
I’m not wearing a bra, so my nipples are probably visible.
…I can feel his gaze.
He’s trying to be subtle, but I know better.
Peter loves breasts.
Mine aren’t particularly large, like a gravure idol’s or anything, but during sex, he still can’t keep his hands off them.
Like a baby.
Seems he loves fondling them while we do it.
…Well, at first, having my chest touched didn’t feel particularly good, but lately… the mood just makes it enjoyable.
Seeing Peter desperately kneading my breasts is adorable and makes my heart race.
So, with my chest exposed like this… of course Peter looks.
I can tell he’s trying hard to resist, but his eyes still wander over occasionally.
And when I see him hating himself for it or flustering… it amuses me.
But this alone won’t be enough to make Peter ask, "Wanna do it?"
Time for the next step.
Step 2.
I sit closer to Peter and initiate physical contact.
I’m not really aware of my own scent, but… being this close seems to make Peter’s heart race.
Must be the pheromones.
I lean into that while touching him.
Making cheerful conversation while casually touching him to convey affection.
I hug him lightly, run my hands over his pecs… oh, Peter’s chest muscles are incredibly firm.
His abs are hard too, like solid rock.
Touching them makes my heart race as well… so I have to be careful not to get carried away.
The main goal is to stimulate Peter’s desire and get him to initiate sex.
When my hand brushes the inside of his thigh, he shivers slightly.
Even so, he keeps his composure on the surface—impressive.
…Tough opponent.
Time for the final step to seal the deal.
Step 3.
"Peter, I’m gonna borrow the shower."
"Ah, yeah… go ahead."
We’d drawn a bath today.
Because I insisted on it.
And here’s the crucial part.
"...Peter, want to join me?"
I put a finger to my lips and ask him, putting on a slightly embarrassed, deliberately coy expression.
Peter freezes like a statue. For a second, he doesn’t move a muscle—
"Y-yeah."
He gives in to desire and nods.
I won.
He’s like a spider caught in my web now.
Just one more push, and Peter will be mine.
The key here is not to act shy—I can’t show any hint of embarrassment.
I smile, nod, and lead Peter into the changing room.
I strip off my clothes, leaving not a stitch on.
My breasts, my privates—everything exposed, nothing hidden.
Seeing me like this, Peter slows down as he undresses.
…I get it, but if I stop here, the plan fails.
"Come on, Peter, hurry up."
"W-wait, hold on—"
As I pulled his underwear down—
plop—a monstrous thing sprang into view.
It was already rock hard, veins bulging, radiating an intense determination to take a woman.
Peter... had covered his face with his hands.
"Michelle... I-I'm sorry..."
"It's okay. It's a natural reaction."
She acted as if it didn't bother her.
But inside, my heart was pounding at an incredible rate.
My sexual desire surged explosively, and a tight sensation gripped my lower abdomen.
...I was probably a little wet.
But I took Peter's hand, making sure he didn't notice.
"L-let's get in?"
We got into the bathtub facing each other.
Silently, quietly.
Since the tub wasn't very large, we ended up pressed close together... baring our bodies to one another.
Only the sound of dripping water echoed.
When I shifted my legs, Peter's gaze was drawn to them.
Even though he looks and touches every time we have sex... he still has these innocent moments.
Teasing Peter like this is incredibly fun.
I intertwined my legs with his.
Peter's muscular legs tangled with my soft ones.
Man and woman.
I was impressing upon Peter's brain that we were different, as living creatures.
...Right now, Peter's brain must be holding back to its limit.
Even if his penis couldn't hold back and was insanely erect,
it looked like it might burst any second.
...There's no point in dragging this out any longer.
Let's move on to the next step.
"...Let me wash your body?"
"Y-yeah."
I stood up from the bathtub... and stepped onto the floor.
In front of the mirror, I squeezed out some body soap... and spread it on my hands.
I began washing myself, rubbing the soap over my body.
My arms, my legs... my chest, and my crotch.
When I washed my breasts, I suggestively... lifted them slightly—
...I saw Peter in the mirror gasp.
As I trailed my fingers from my thighs to my hips—
Peter's face was flushed.
Cute.
Even though I was posing a little consciously, he was reacting just as I'd hoped.
I washed my hair with shampoo and rinsed it off under the shower.
Seeing me wet and dripping, Peter averted his eyes slightly.
After that, I continued watching as Peter washed his body.
Though he seemed embarrassed, he didn't say anything about it.
After all, if he pointed it out... I might retort with something like, "You were watching me too, weren't you?"
In the end, like that... Peter, shrinking from embarrassment, and I, with a gleeful expression, left the bathroom.
I put on the slightly sexy negligee I’d bought recently and sat with Peter on the bed.
Though we’d dried off, our slightly damp skin... gave off a subtle gloss, exuding sensuality.
...Well, Peter?
How about it?
You must have something to say, right?
Come on, come on.
As I looked at him with an expectant face—
"W-well... maybe it's time we went to sleep."
He said something like that.
Huh?
Why?
Flustered, I hugged Peter from behind, pressing my chest against him and intertwining my fingers with his.
"...Peter, I'm not sleepy yet."
"Ah... um, M-Michelle?"
As I let him feel the soft parts of my body—
"...Michelle, there's something I want to talk to you about... is that okay?"
It's happening!
This is definitely leading to sex.
Trying to suppress my grin, I sat down facing Peter.
He wore a very serious expression.
Huh?
Even though this is just about having sex, he’s making such a solemn face—
"It's not good to be so seductive, even unconsciously."
"...Huh?"
What came out of Peter’s mouth was a reproach.
"I'm a guy too, you know... It's hard when you keep exposing yourself like that without any guard up."
"…………"
Gently, carefully trying not to hurt me... Peter averted his gaze.
What kind of expression am I making right now?
I don't even know myself.
"We agreed to only have sex once a month, right? But when you do that over and over... I can't hold back anymore. I don't want to hurt you, Michelle... To make sure we both keep to the rules—"
Peter raised his eyes to look at me... and made a startled face.
"U-um, Michelle?"
"What?"
My own voice came out surprisingly cold.
...Ah, I see.
I'm angry right now.
I'm angry because Peter is just so clueless about a woman's feelings.
I'm aware it's a pretty selfish thing to be angry about, but I can't help it.
He thought all my actions until now were unintentional.
I'm not that much of an exhibitionist, nor am I that clueless.
"...I was aware... of what I was doing all that time, you know."
"Huh? Ah... ah, huh? ...Oh—"
A look of confusion crossed Peter's face, then it turned pale as he seemed to realize something.
He finally seemed to understand that I had been trying to seduce him.
"B-but... um... sorry."
Peter hung his head apologetically.
My anger gradually subsided.
And at the same time, the desire I'd been suppressing was on the verge of exploding.
"The once-a-month rule."
"Y-yeah."
"...What if we made it twice a month?"
"U-um."
"I want to do it too, and Peter... you want to as well, right?"
"...Yeah."
I hugged Peter onto the bed.
"...Got anything to say?"
"U-um... well... shall we... do it now?"
He sounded like he was being made to say it.
But... pressed against my lower abdomen was the firm shape of Peter's erection.
A smile relaxed my cheeks as I kissed Peter.
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