"You are always sooooo sweet, Oppa," Dahyun smiled sweetly at me, "From the day you came aboard until now, you're such a thoughtful and loving cutie."
I blushed at the compliment, "Just doing my jobs, girls. Just doing my job."
"And so humble too," Sana teased, and then turned to Dahyun, "Hey Dahyun-ah, would it be alright if I fuck your boyfriend tonight as thanks for being so sweet with me?"
"I was about to invite you for a threesome, Unnie," Dahyun mischievously replied, "Why do you think I tagged along?"
Uh oh.
Looks like it's Sana's turn.
I wondered what my evil Dubu had in store for her, especially the fact that she didn't do anything to lure Sana or did something strange to get things started.
Maybe she was just capitalizing on Sana's horniness, finding the right opportunity to strike.
+++
Thirty minutes later, we were in my bedroom back at the dorm, with our clothes all scattered on the floor.
I was sitting at the edge of the bed, kissing Dahyun while fondling her breasts.
Sana was sitting down on the floor between my spread legs, eagerly sucking and slurping at my cock while cupping and gently squeezing my balls.
After a while, I went down and sucked and laved Dahyun's breasts, making her nipples erect.
She moaned in pleasure, stroking my hair.
At the same time, I felt Sana's tongue and lips going faster and harder around my swollen member, her sucking and slurping sounds becoming louder, sloppier, and messier.
Dahyun pulled my head up once again for another passionate kiss, before hotly whispering in my ear, "Keep Sana busy, I'll be back in a minute."
I nodded, turning my attention to the older member happily giving me a wonderful blowjob, "There you go," I groaned, reaching down to caress her face and stroke her hair, "That's it. Keep sucking that cock, Sana. You're doing great."
Her eyes twinkled in response.
I knew she loved it when I compliment her on her cock sucking skills.
For some reason, Sana always loved giving me blowjobs whenever she gets the chance.
Her focus and intensity on my dick increased all the more, coating my entire length with her saliva, some of it dripping down to my balls.
I also noticed that her lips and mouth was just so perfectly shaped, especially around my dick.
Realizing that made me hornier still.
"You like that, Oppa?" Sana paused for a bit to stretch her jaw, stroking my member and looking at me seductively, "You like me playing with your cock like that?"
"I do," I nodded, "You are just so sexy with my dick in your mouth like that."
"You always know the sweetest things to say, Oppa," she smiled, giving the tip a peck before resuming her blowjob.
Dahyun silently came back, wearing her strapon.
It was the same pink one that she used before when we banged the lights out of Nayeon.
I can see that she already coated it with a generous amount of lube.
She quietly tiptoed towards Sana, eventually standing behind her.
She then counted off her fingers, one, two, and three.
The next few seconds were honestly a blur.
Dahyun suddenly grabbed Sana and pulled the older member's lower body up.
With Sana's butt sticking out, the Dubu quickly shoved her fake cock into the older member's cunt, making her scream out loud.
"What the... Dahyun-ah! Kyaaaahhhh!!!" Sana wailed as Dahyun wasted no time fucking her at breakneck speed, "Aaaaaahhhhh!!!"
"Fuck! Sana, why are you so wet?" Dahyun slapped her ass, "You're that horny already, just by sucking my boyfriend's cock? You are such a slut!"
Sana tried to get away but Dahyun's thrusting made her feel so horny that her lust quickly took over making her knees weak almost immediately, "Ahh... Dahyun-ah... slow down... ungh... please..."
"Shut up and keep sucking Y/N Oppa's cock, you slut!" Dahyun smacked her butt again, "I'm not gonna stop fucking your tight little cunt until you make Oppa cum in your mouth!"
Having been completely overpowered, Sana resumed her blowjob on me.
It wasn't long before she succumbed entirely to her lust, sucking and licking my cock with renewed enthusiasm.
Dahyun's thrusting movements rocked Sana's slim and sexy body, which in turn made Sana's bobbing along my entire shaft more random in pace.
"That it!" Dahyun approvingly said, going faster and harder on Sana's pussy, "That's it, you little whore. Just keep enjoying sucking that big, wonderful cock like you've always wanted."
Admittedly, my girlfriend's dirty talking was seriously turning me on.
Maybe I was finally starting to get used to them dirty talking during sex, I dunno.
I looked down to Sana's arms braced on my thighs.
I caressed her thin arms, working my way up to her face, tucking her hair behind her ears as her mouth went back and forth along my hard rod.
Her lips wonderfully slid along my swollen flesh and her tongue ran against my sensitive underside, making me jerk my hips against her face.
After ten minutes, I felt Sana's body trembling.
She was getting close to her climax.
Dahyun must have noticed it as well, because she went even faster and harder, pounding Sana's pussy like there was no tomorrow.
"Aaaaaaaaahhhhhh!!! Dahyun-ah, please!!! Slow down!!! Aaaaaahhhhh!!! I'm cummmmmiiiiing!!!" she moaned, my dick popping out of her mouth, glistening and dripping of her drool.
"Did I tell you to stop sucking Y/N Oppa's cock, bitch?" the younger member yelled at her, smacking her ass hard.
Seemingly afraid and submissive, she stuffed my rod back into her mouth, squirming and moaning as her orgasm hit her.
Her body shook as she climaxed, which along with Dahyun's fucking, made her mouth reverberate as well, making my dick bounce and slide around her oral cavity.
"Fuck! You're shaking so much, I'm cumming!" Dahyun screamed as well, arching her back and shoving her strapon deeper and harder into Sana's pussy.
Watching the two girls squirming and screaming through their respective orgasms drove me to the edge as well.
Grunting, I firmly but gently held Sana's head as I felt my balls tighten and my dick twitch, "Ungh, I'm cumming too!"
A few more strokes, and I exploded, sending thick streams of hot, sticky cum down Sana's throat.
I could feel her effort to swallow my load, gulping as much of it as she could.
"You better not waste my boyfriend's cum, slut," Dahyun said, still pounding Sana's cunt, "Prove it that you're Sana. Swallow every single drop like the greedy little whore that you are."
I kept on unloading and Sana kept on swallowing.
Unfortunately, she really couldn't keep up, especially since Dahyun kept fucking her pussy.
Dribbles of semen leaked out from both corners of her lips.
"YAH! I told you to not waste Y/N Oppa's cum!" the evil Dubu spanked Sana's butt again, "Now you're going to get punished."
She then pulled out of the older member's dripping wet cunt.
Dragging Sana along, Dahyun then laid down on the bed and made her sit on her fake cock.
I immediately got the idea, quickly getting up and standing behind Sana, with my cock prodding her tight little asshole.
"Ahhh... please... no... slow down..." Sana's chin dribbled with cum, trying to catch her breath as Dahyun thrusted upward against her swollen cunt.
I was amazed at Dahyun's strength, holding Sana down by the arms.
"You're going to get double-fucked, you little slut!" my girlfriend said, "Fuck her butt hard and fast, Oppa. By the time we're done, I want both her pussy and asshole to be so sore that she can't walk properly for a week!"
I inserted my dick into her anus and started pounding away.
I adjusted my movements to alternate to that of Dahyun's, going out as she was going in.
Sana butthole was so tight that even after all the lubrication, I still felt her rectum stretching slowly with every thrust.
"Aaaaahhhhh... aaaaahhhh... fuuuuuuccccckkkk..." Sana moaned lustfully, "My insides... filled with dick... aaaaaahhhh..."
"Tsk, tsk, such a slut!" the younger member teased, "You like being pounded like that, huh?"
"Aaaaaaahhh... Yes! Yes! Ahhhh... I'm your whore, Y/N Oppa! Ahhh... fuck my ass hard... Yes! I love your dick in my slutty holes... Aaaaaahhhh!!!!" Sana squirmed like crazy.
I reached forward and mashed her small breasts as I continued fucking her butt.
Finally her anus relaxed, making it easier for me to go in and out.
Her tight, warm anal muscles massaged wonderfully against my swollen length.
Dahyun and I were fucking her so hard that my bed was rocking and creaking.
After fifteen minutes, Sana climaxed once again, screaming as her body went taut for a split second before she convulsed and shuddered through her orgasm.
I rammed my whole dick up her rectum as Dahyun shoved the whole length of her dildo into her core.
"Kyyyyyyyyaaaaaaaaaaahhhhhhh!!! I'm cuuuuuuuummmmmmmiiiiiiiiiiiiinnggggggggg!!!" Sana squealed, almost fainting from the massive orgasm washing over her.
Both of her holes were obviously swollen at this point, but we just kept on pounding her.
After five more minutes, I felt mine building up as well, "Oh fuck, I'm close!"
"Fuck her mouth, Oppa!" Dahyun suddenly said, squirming through her own orgasm as well, "Blow your load down her throat again."
I pulled out of her ass and quickly climbed onto the bed, squatting above the Dubu's head.
I pushed my dick into Sana's wet lips, again holding her head firmly but gently.
"You better swallow every single drop this time, bitch," my girlfriend growled.
Groaning loudly, I released my load once more, quickly filling up Sana's mouth.
I felt her mouth and throat gulping and swallowing shot after thick shot of cum, the vibrations surrounding my continuously erupting rod.
"Just look at you," Dahyun panted, finally slowing down a bit, "Such a slut, sucking my boyfriend's dick straight out of your butthole. You are such a greedy whore, always hungry for cum."
I emptied my balls into Sana's throat.
But my load was again just too much for her.
Some cum leaked out once again from her lips, dripping down to her chin.
"Tsk, tsk, tsk..." the evil Dubu pouted, "I think you're just doing it on purpose so that you'd get your brains fucked out. Very well, we'll do as you wish."
"Noooo..." the older member whimpered as I withdrew my dick from her mouth, "Please... you know how much Y/N Oppa cums... at least let me rest for a bit..."
But Dahyun would have none of it.
Taking advantage of an exhausted Sana, Dahyun rolled to the right, eventually switching positions with her.
With the dildo still firmly inside, Dahyun resumed her fucking Sana's sore cunt.
Both girls were sweating a lot at this point.
I climbed down the bed and stood behind Dahyun.
She turned around and smiled wickedly at me.
"Go ahead and fuck my ass, Oppa," she was really become a schizophrenic bi-polar, whatever you want to call it.
I shoved my dick up Dahyun's butt and pounded away, this time matching my movements with hers.
My thrusts made her thrusts into Sana's cunt faster and harder as well.
Sana was so exhausted at this point that she just laid there, almost completely out of it, but still overwhelmed in her lust.
"Yes, Oppa... that's it... Yes!" Dahyun moaned.
It wasn't very long before I felt my orgasm building again, but not before both girls cummed at the same time, "Dahyun, I'm close," I whispered to her ear.
"Give it to me, then," she replied, "Sana's out of it," and quickly broke our three-way connection.
She got to her knees in front of me, stroking me fast and hard.
Grunting, I let loose for the third time.
Dahyun timed it perfectly, clamping her lips around my rod.
She swallowed the first two or three shots, and letting the rest collect in her mouth.
"Aaaaahhh... fuck..." I groaned as I finished cumming into my girlfriend's mouth.
She then got up and went over to a very exhausted Sana, coaxing her to open her mouth.
She then slowly opened her own mouth, sexily dropping the collected cum into hers.
Satisfied, she then gave Sana a deep, passionate kiss.
Sana promptly fell asleep.
We both cleaned her up and got her dressed, and then gently repositioned her properly on the left side my bed, pulling the blanket over sore body.
Afterwards, we also cleaned up, got dressed, and got into bed as well.
Dahyun, who was in the middle, cuddled me before falling asleep as well, reverting back to the sweet, bubbly Dubu.
Man, that was a very exhausting one, I had to be honest.
With that, I wondered what she had in store for Tzuyu, before drifting off to dreamland myself.