Not Satisfied With Just My Girlfriend...
"Co..."
"Even when you're sleeping, you're cute."
The act—if you could call it that—with Yeonji had ended, and exhausted, she had already drifted off to sleep.
'She must have already been caught by my mother-in-law, right?'
Yeonji hadn't been able to hold back, letting out loud moans as she rubbed her pussy against my cock. Since the walls between my room and my mother-in-law's were thin, she definitely must have heard it.
'It felt good, but... it's still not enough.'
The lingering feeling of dissatisfaction after being with Yeonji was undeniable. I had felt this lack of fulfillment before, but this time, it was even more pronounced.
Even though I had masturbated a few times in secret to try and take the edge off, the sexual frustration remained as if I hadn't done anything at all.
'Is it because I've actually done it for real now? ...'
Perhaps it was because I had experienced real sex through my mother-in-law, but the emptiness felt even deeper. Before, I had managed to get by with the pseudo-sex I had with Yeonji, feeling somewhat satisfied, but now, even as Yeonji slept soundly, my cock was still throbbing and hard.
"Gulp..."
Beside me, Yeonji was sleeping without a care in the world. Even though she was covered by a blanket, her chest was heaving, and I knew all too well what kind of lewd, seductive body was hidden beneath that fabric, tempting me like a beast. It was becoming harder to hold back.
'What do I do...'
I felt an urge to pounce on Yeonji right then and there. As if my cock were giving me orders, the desire to ravish her while she slept was boiling over.
'Should I just masturbate until it goes away... or...'
Pouncing on Yeonji like this was an absurd choice. Forcing myself into her pussy while she slept, when she hadn't even accepted my cock yet? That would give her the worst first experience possible, and that was something I absolutely could not do.
And so, I was left with two choices: masturbate... or go find my mother-in-law.
Even as I agonized over the two options, my cock didn't soften in the slightest, pulsing with life...
Creak.
I carefully approached the wall so as not to wake Yeonji.
Slide.
The wall opened cautiously, making no sound. In the end, unable to forget the pleasure of the real sex my mother-in-law had taught me, I left Yeonji behind and stepped into her room.
"M-Mother-in-law?"
I entered her room cautiously and called out, but there was no answer. I checked to make sure Yeonji was still asleep and closed the wall.
'Ah... she's asleep.'
I had come in with the expectation that she might be awake, but she was lying in bed, seemingly fast asleep.
"How can this body belong to a widow who's already given birth... Gulp."
She was wearing only a thin black negligee. Because it was made of sheer mesh, not only were her breasts visible, but her pussy was also on full display.
"No matter how many times I see it... it's insane."
Having shared her body before Yeonji, I knew that my mother-in-law's body was just as youthful as her daughter's, and she carried herself with a lewdness that tempted any male.
'Should I just pounce on her? ... It would probably be fine if it's her...'
Since we weren't in a normal relationship, but rather a master-slave dynamic, her body was, in a way, mine to do with as I pleased. It could be called rape, but since she had submitted to me as my sex slave, I didn't think she would hate it even if she didn't explicitly want it right now.
'If it's her, she might actually like it...'
True to her nature as a masochist, unlike Yeonji, my mother-in-law became even more aroused whenever I treated her roughly or insulted her. Because of that, I could see that she would be happy even if I performed an act bordering on rape.
"Shall I..."
If it were the old me, I would have thought it was absolutely wrong and returned to my room, but the strong impulse crawling up from within was blurring the brakes on my behavior.
Creak.
As I stepped closer and looked at her body, my cock throbbed, screaming that it wanted to ravish the female in front of me right now.
"Gulp..."
Creak... Squeeze.
"Hmm..."
Unable to hold back the impulse, I reached out and grabbed her breasts. My hands were larger than most, but her massive breasts didn't even fit in one hand. I squeezed them a bit harder, feeling the soft texture as I distorted their shape.
"Haa... haa..."
Her breasts, possessing a softness different from Yeonji's, made my hands move on their own...
SQUEEZE.
"Haaang♥"
"Ah!"
I had squeezed her breasts so hard that even I was surprised.
'D-did she wake up?'
I had squeezed hard enough that she should have woken up from the pain, but she didn't seem to have stirred.
'Huh? Wait a minute... don't tell me...'
I looked closely at her, and I noticed a change. Her nipples were hardening. They were clearly more erect than when I first saw them, bulging inside the negligee.
'She's awake!'
I couldn't be 100% sure, but it looked like she was pretending to be asleep.
'Let's check... gulp.'
With trembling hands, I slowly reached for her thigh to confirm if she was truly awake.
Twitch.
As my hand touched her thigh, her body flinched slightly.
Slide.
"Hng♥"
As my hand moved higher, a moan leaked out, and then...
Squelch.
"Haang♥..."
Her pussy was already slick and wet, as if she had been waiting for this.
'Are you pretending to be asleep because you want to be raped on purpose?!'
I couldn't be certain, but considering her tendencies, it was entirely possible. She must have heard what Yeonji and I were doing, and she might have even anticipated that I would come here.
'Well, since it's come to this... screw it!!'
If she wasn't sleeping but just pretending, that was a different story. It was a situation where she actually wanted me to touch her and ravish her. I couldn't hold back anymore, so I climbed onto the bed with confidence...
Snap!
"Ugh♥"
I grabbed her legs and spread them wide.
Squelch.
Just by touching her, her pussy was already wide open, slick and wet, waiting for me.
"Are you already wet even while you're sleeping?... You really are a lewd mother-in-law."
Twitch, twitch, twitch.
I insulted her on purpose, but she didn't wake up, only twitching and showing her pleasure. A stream of pussy juice flowed out, staining the bed, but I didn't stop.
Squelch, squelch, squelch, squelch.
"Hnnng♥... hnn♥... hnn♥"
She was doing her best to keep the sounds from leaking out, but I didn't care and kept thrusting my fingers into her pussy.
"Seeing you leak like this, you want me to fuck you, right?"
She kept pretending to be asleep and didn't answer, but her pussy clamped down on my fingers, refusing to let go.
"Your daughter is sleeping in the next room, and you're getting yourself wet because you want to be fucked by your son-in-law? You horny bitch."
"Hnnngh♥♥♥"
The more I insulted her, the tighter her pussy gripped me.
'I can't take it anymore!'
I roughly flipped her over. I knew she was awake, so I treated her roughly without hesitation, but she kept up the act of being asleep.
"Hoo... tempting your son-in-law with such a vulgar ass!"
SMACK!!
"Hnnng♥♥"
As I slapped her large ass, a moan escaped her. I had hit her hard enough to leave a red handprint, but she showed no signs of waking up.
Slide!
I grabbed her hips and pulled, forcing her into a position where she was on her hands and knees.
"You slutty bitch."
Squelch, squelch, squelch, squelch.
"Hnn♥... hnn♥... hnn♥"
Even though she tried to hold it in, she couldn't stop moaning as I insulted her and thrust into her. The more she struggled, the more I wanted to torment her.
Squelch.
"Yeonji is sleeping in the next room... you shouldn't be so loud."
PRESS.
"Hnn?!♥"
I pressed her head into the pillow so the sounds couldn't escape, and I drove my cock straight into her pussy.
"Hoo... you're a fleshlight pussy that bites your son-in-law's cock even while you're asleep. Mother-in-law."
Twitch, twitch, twitch.
My cock slid in smoothly, and her pussy clamped down on it, reveling in the sensation.
'I almost came right there!'
Perhaps because I had felt so unsatisfied with Yeonji earlier, her pussy gripped me so tightly that I nearly ejaculated instantly.
Squelch, squelch, squelch, squelch, squelch.
"Ughhh♥... ughhh♥..."
Because her face was buried in the pillow, the sounds were muffled, but I knew she was so aroused she couldn't control herself.
"Your ass is so fleshy, it makes such a loud noise every time we collide!"
THWACK! THWACK! THWACK! THWACK!
"Hnnngh♥"
Every time I thrust my cock in, the sound of our bodies colliding was louder than the moans she was trying to suppress. Even if the walls were thin, it wasn't loud enough to be heard outside, but the sound echoed in the room, so she could definitely hear it.
She knew exactly how roughly she was being fucked.
"You made me realize what kind of perverted pussy you have, and now I can't be satisfied with just *smuta* anymore!!"
Squelch, thwack! Squelch, thwack! Squelch, thwack! Squelch, thwack! Squelch, thwack!
As I thrust into her, venting my frustration, a powerful sense of conquest washed over me, and I poured everything out as if I were angry.
"What am I supposed to do if I can't forget your perverted pussy even when I have sex with Yeonji later!"
Squelch, thwack! Squelch, thwack! Squelch, thwack! Squelch, thwack! Squelch, thwack!
"What am I supposed to do if I want to keep using this slutty pussy even after I marry Yeonji and have kids!!"
The relationship with my mother-in-law was something that would eventually have to end, but it felt like I had already crossed a line I couldn't return from. I was completely addicted to her body.
"From now on, whenever I want to use you, don't you dare care about whether you're my mother-in-law or not!!"
PRESS.
"Ugh!!"
Squish, squish, squish, squish.
Instead of answering with her mouth, she answered by clenching her pussy. I responded in kind, ejaculating deep inside her and filling her to the brim with white heat.
"Haa... haa... haa..."
After a long ejaculation that felt like I had poured everything out, I pulled my cock from her pussy and quietly returned to my room.
Leaving my mother-in-law just as she was...