"Yeah, come on in."
"Hehe, I'm coming in."
Yeonji slipped quietly into my room.
Her face glowed with excitement, like a child sneaking a prank behind their parents' backs. It was achingly innocent.
"Wow~ Oppa's room has way more stuff than when we lived here before!"
"Uh, yeah… I'm seeing a lot of it for the first time today, too…"
With the furniture I'd ordered from the department store and the pieces my mother-in-law had picked out finally arriving, the once-barren space had transformed into something that actually looked lived-in.
Come to think of it, there's more furniture here than in the studio I used to rent.
It was just one room among dozens, yet it felt strange to have more space and belongings than in my old place. Still, I was simply happy to have a proper room of my own.
"Oppa's bed!~"
Thump
Yeonji bounded straight for the bed, dove onto it, and rolled around in delight.
"Huh? Wait, isn't this the same bed as Mom's?"
"R-really? Your mom recommended it, so I went with that one…"
"Seriously? Mom's bed is super fluffy; this must be amazing~"
For a split second, guilt and conscience stabbed at me, but Yeonji—blissfully unaware—buried her face in the blanket, beaming.
Sniff sniff… "It doesn't smell like Oppa yet."
"Well, it's brand-new today."
Yeonji pressed her nose into the pillow and inhaled deeply.
If I hadn't swapped everything out… that would've been a disaster…
Last night, I'd had rough, unrestrained sex with my mother-in-law in this very room. If I hadn't replaced the bedding, Yeonji might have caught the scent.
Cold sweat trickled down my spine as I forced a calm expression and stepped closer.
"And keep your voice down—your mom might hear us."
"It's fine~ The walls here are pretty thick; Mom won't notice!"
The walls here are paper-thin…
The only thing separating my room from my mother-in-law's was a sliding door, but Yeonji—unaware of that detail—spoke freely, convinced her mother was none the wiser.
She's probably already heard everything.
My mother-in-law had forbidden Yeonji from sleeping over for a while, yet here Yeonji was, sneaking in because she couldn't bear to be apart from me.
Normally, I'd be overjoyed—wrapping her in my arms, indulging in something steamy even if we stopped short of full sex. But right now, I knew any noise would carry straight next door, so I held back.
"I'm so happy we're living together… Before, Yeonhee-unni always came to pick me up, so I couldn't stay late."
"Yeah… Now we're under the same roof all night."
"Hehehe, exactly."
Yeonji threw her arms around me, nuzzling her cheek against my arm.
Her face radiated pure joy, impossible to hide.
"I'm staying with Oppa all night tonight."
"Won't your mom hear? Maybe head back to your room if it gets late…"
"It's okay—I'll just slip out early in the morning."
"U-uh, right."
She wasn't wrong, so I couldn't refuse.
I can't exactly tell her the truth…
"Does Oppa not want me here?"
My lukewarm response clearly disappointed her; her eyes turned a little sad.
"Of course not! I wanted to be with Yeonji just as much!"
Squeeze
"Oppa♥"
My head was a mess because of my mother-in-law, but my feelings for Yeonji were one hundred percent genuine.
If not for her mother, I'd have pounced on her already.
The love I felt for the girl in my arms wasn't fading—it was growing stronger by the minute.
The more I feel it, the guiltier I get… but there's no other way…
"Heeung… Hugging Oppa like this feels so good♥"
"Y-Yeonji?"
We spent a sweet hour together, planning to sleep side by side, but then—
Rub… rub
"Oppa, it's… gotten bigger down here♥"
I hadn't expected Yeonji to slide her hand over my pants with that lewd little grin.
"Your mother-in-law is right next door—can you hold back tonight?"
Even alone with the girl I loved, I tried to restrain myself knowing every sound would travel, but Yeonji's hand didn't stop.
"It's been ages since I touched Oppa's… It's so big and hard♥"
Rub rub rub rub
"Ugh! Yeonji…"
Her fingers had already slipped inside my waistband, wrapping around my cock and stroking.
"You haven't done anything since moving in… so let me take care of you♥"
I'm doing it with your mother every single day, so I'm fine!
I wanted to shout it, but I wasn't that stupid.
Tap tap tap tap
"Oppa's cock feels even bigger… Sniff♥ It smells so strong, too♥"
Was Yeonji always this lewd?
Sure, back in the studio she'd occasionally jerk me off and show her naughty side, but tonight felt different.
"Actually… I masturbated last night before bed♥ Picturing you sneaking in and ravishing me."
"Me?"
"Yeah… Now that we live together, and since Oppa loves doing this with me, I was kind of hoping♥"
I'd spent an unforgettable night with her mother, not Yeonji, yet hearing she'd touched herself alone made my cock throb harder.
"Haa♥ It just got stiffer… Did hearing I masturbated turn you on?"
"…Yeah…"
"Oppa, you're such a pervert♥"
My honest answer made her grin playfully.
She kept pumping my shaft, and for a moment she reminded me of her mother.
Looking at her now… they really are alike.
I'd thought the resemblance was only skin-deep—face, body—but their lust ran parallel too.
Yeonji's lewd smile was enough to conjure my mother-in-law.
"Should I use my mouth?"
"Yeah… go ahead… suck it, Yeonji."
"Okay♥"
Usually she'd only rub me with her hand or grind against me, nothing more.
But tonight she gazed at my cock, knelt, and parted her lips.
"It's been so long since I tasted Oppa's cock… I'm gonna enjoy this♥ Haaap♥"
"Ummm… Yeonji, that feels good…"
Like a polite lady giving thanks before a meal, she spoke, then took my tip into her mouth.
"Haaap♥ Chomp♥ Slurp♥… Oppa's is so big it barely fits♥ Haaap♥"
She lacked the masochistic skill of my mother-in-law, so she focused on the head while stroking the shaft.
It's nothing compared to her mother…
"That's perfect, Yeonji… you're doing great."
"Haaap♥ Slurp♥"
I felt bad making the comparison, but I'd already experienced a woman who'd greedily swallow me whole, throat convulsing, breath held just to please her man.
Yeonji's blowjob was clumsy by contrast, yet it felt incredible because it was her.
"I wanted to suck Oppa's cock like this yesterday too♥ Slurp♥ Chomp♥ Slurp♥"
"You're amazing, my Yeonji…"
I stroked her hair and praised her; she beamed and took more of my length.
"I'll do it whenever you want♥"
"Yeah… please do."
"♥♥"
Yeonji was bolder tonight—saying things her usual shyness would've silenced—and she looked ecstatic.
I don't know why… but I'm not complaining.
Who wouldn't love their girlfriend turning shamelessly lewd?
Watching Yeonji suck me off with that hungry expression, thoughts of my mother-in-law faded, replaced by the urge to do even filthier things with her daughter.
"Yeonji, come here."
"Haaat♥ Oppa♥"
I couldn't hold back anymore. I laid her on the bed and started stripping her.
"Somehow Oppa's rougher tonight♥"
"Really? Sorry… I didn't mean to."
"N-no, it's okay… I like Oppa a little rough…♥"
My excitement had made me aggressive; I was flustered, but Yeonji seemed to love it, smiling wider.
"More, Oppa♥"
"Yeonji!!"
I forgot my mother-in-law was listening next door and tore Yeonji's clothes off with abandon.
I nearly ripped her shirt open, yanked her skirt and panties down in one motion, and flung her bra aside.
"Haa♥… Haa♥… Haa♥…"
It felt like I was about to force myself on her, but Yeonji's lewd smile only grew, her excitement matching mine.
"Oppa♥… do it♥"
Slide
She spread her legs and reached for me, face alight with bliss.
I could do it now.
My size had always kept me from entering Yeonji's tiny pussy, but tonight…
I wanted to force it—shove in, stretch her, claim that tight heat.
Slide… squish
"Hiiiit, O-Oppa!"
"Yeonji, I…"
"I-it hurts…"
"Ah…"
I'd managed to wedge about a third of my glans inside her narrow entrance when tears welled in her eyes.
"S-sorry! I didn't mean— Are you okay?"
"Yeah… I'm okay… it's just still a little scary…"
"Right, of course… I'm sorry, Oppa."
"Oppa♥…"
Panicked, I pulled out immediately and hugged her tight. Yeonji's smile returned.
"I'm sorry… I'm still…"
"It's fine… let's take it slow, okay?"
"Yeah… thank you, Oppa."
I'd nearly forced myself on her like a rapist, but I caught myself in time.
Why am I like this? Ever since I started with her mother, I've been getting rougher…
The realization rattled me—I'd been startling myself with my own aggression—but I'd calmed down now.
"Want to do it the usual way?"
"Yeah, okay."
Squish squish squish squish
"Haaht♥ Hhhht♥ Haaang♥ Oppa feels so good♥"
Sumata—rubbing my cock against her pussy.
The pleasure was far less intense, but just sharing this with Yeonji was enough, and lewd moans spilled from her lips.
"If you get too loud, your mom will hear."
"Hhhht♥… Then block it, Oppa♥"
Yeonji grinned lasciviously, mouth open, and I leaned in, our lips meeting to muffle the sounds.