Giyuu moans softly into the kiss, his body arching towards Sanemi's.
"I know how much you like it when I tease you."
His hands find their way to Sanemi's waistband, tugging slightly. Sanemi breaks the kiss to bite Giyuu's neck, leaving a mark.
"Shut up and keep your hands to yourself for now."
He grinds against Giyuu, enjoying the control he has over him. Giyuu whimpers at the friction, his eyes darkening with desire.
"Make me, Sanemi."
He deliberately disobeys, slipping his hand inside Sanemi's pants. Sanemi growls possessively and grabs Giyuu's wrist, pinning it above his head.
"I said no. You're being a brat today."
He uses his free hand to remove Giyuu's shirt, exposing his chest. Giyuu smirks despite being restrained, his chest rising and falling rapidly.
"And you love it when I'm bratty. Don't deny it."
He struggles against Sanemi's grip, testing his strength. Sanemi tightens his grip and leans down to whisper in Giyuu's ear.
"You're right, but I'm still going to punish you for it."
He starts kissing and biting down Giyuu's chest, leaving more marks.
"Be careful...you can't leave marks where people could possibly see.
Sanemi pauses, looking up at Giyuu with a wicked grin.
"Oh? But I want everyone to know you're mine. Especially those brats."
He deliberately sucks harder on a spot near Giyuu's collarbone, making sure it'll be visible tomorrow.
Giyuu groans in frustration and pleasure.
"You're such a possessive bastard. What will I tell them?"
He tries to push Sanemi away, but his resolve is weakening. Sanemi laughs darkly, moving to Giyuu's other side.
"Tell them to mind their own business. Or better yet, tell them you belong to your sensei."
He continues marking Giyuu, his hands wandering lower again. Giyuu lets out a shaky breath, his resolve completely gone.
"Fine... I'm yours, Sanemi. Just... please..."
He spreads his legs slightly, giving in to Sanemi's dominance. Sanemi smirks triumphantly and slides his hand down to cup Giyuu's crotch.
"Good boy. Now be quiet and let me enjoy this."
He starts stroking him through his pants, watching Giyuu's reactions intently. Giyuu bites his lip to stifle his moans, his eyes rolling back:
"Sanemi... please... more..."
His hips buck against Sanemi's hand involuntarily. Sanemi unbuttons Giyuu's pants with one hand, his other still holding Giyuu's wrist.
"You're such a needy little thing. Always so desperate for me."
He pulls Giyuu's pants down just enough to expose him, his eyes filled with lust.
Giyuu whimpers at the exposure, feeling vulnerable and exposed in the car.
"Stop teasing me... I need you now."
He tries to grind against Sanemi, seeking friction. Sanemi's tightens his grip on Giyuu's wrist again, keeping him still.
"Patience, Giyuu. I want to take my time with you."
He finally releases Giyuu's wrist and reaches into his own pocket for lube. Giyuu watches with anticipation as Sanemi prepares himself, his body trembling with need.
"I swear if you don't hurry..."
He trails off, unable to form complete sentences in his aroused state.
Sanemi spreads the lube on his fingers and smirks at Giyuu's threat.
"What will you do, Tomioka? You're in no position to make demands."
He circles Giyuu's entrance with a finger, teasing him further.
"I told you to not to call me that during sex."
Sanemi pushes his finger inside Giyuu roughly, hitting his sweet spot.
"And I told you to stop being a brat. Looks like we're both breaking rules today."
He adds another finger, stretching Giyuu out with practiced ease. Giyuu moans loudly at the roughness, his back arching off the car.
"Fuck... Sanemi... please... I'm sorry... just call me Giyuu..."
His eyes are glazed with pleasure and submission.
Sanemi crooks his fingers and starts scissoring them inside Giyuu.
"That's better. You're such a good boy when you listen."
He leans down to kiss Giyuu deeply, swallowing his moans. Giyuu kisses back desperately, his hands gripping Sanemi's shoulders.
"Sanemi... I need you inside me now... please..."
He spreads his legs wider, begging with his body language. Sanemi removes his fingers and positions himself at Giyuu's entrance, pressing the tip against him.
"Since you asked so nicely... but remember, I'm still mad at you."
He pushes in slowly, savoring the tight heat. Giyuu gasps and digs his nails into Sanemi's skin as he's filled.
"Ah! You're so big... it hurts..."
Tears form in the corners of his eyes from the intense stretch.
"Last time you take it good.
Sanemi laughs darkly and thrusts all the way in without warning.
"Last time? We'll see about that. You're mine to use as I please."
He starts pounding into Giyuu roughly, hitting his prostate with each thrust. Giyuu screams in pleasure and pain, his body bouncing with each powerful thrust.
"Yes! Use me! Make me yours!"
His mind goes blank, consumed by the overwhelming sensations.
Sanemi grabs Giyuu's hair and pulls his head back, exposing his neck.
"You're so tight and perfect around me. Such a perfect little cock sleeve."
He bites down on Giyuu's neck, marking him possessively. Giyuu whimpers at the bite, feeling claimed and owned.
"Sanemi... I'm close... please..."
His cock twitches against his stomach, leaking precum. Sanemi wraps his hand around Giyuu's cock, stroking it in time with his thrusts.
"Cum for me, Giyuu. Show me how much you love being my toy."
He slams into Giyuu's sweet spot repeatedly, determined to make him cum first. Giyuu cums hard with a broken moan, his whole body shaking violently.
"Sanemi! I love you!"
He clenches tightly around Sanemi, his release splattering between them.
Sanemi groans at Giyuu's confession, his thrusts becoming erratic.
"I love you too, you idiot. Even when you piss me off."
He continues fucking Giyuu through his orgasm, chasing his own release.
Giyuu pants heavily, completely spent and overstimulated.
"Sanemi... too much... please... I can't..."
His body trembles from the overstimulation, tears streaming down his face. Sanemi grins sadistically and pins Giyuu down harder.
"You can and you will. I'm not done with you yet."
He leans down to whisper in Giyuu's ear as he thrusts even deeper.
"Sanemi no! We must go back to the kids! The half hour is already..ah!"
Sanemi ignores Giyuu's protests and checks his watch.
"Fuck the kids. I'm going to fill you up right now."
He thrusts even faster, his balls slapping against Giyuu's ass. Giyuu looks at Sanemi with pleading eyes, his mind racing with thoughts of the students.
"Sanemi, please... what if they come looking for us?"
His body betrays him, already starting to get hard again despite his exhaustion. Sanemi grunts as he feels Giyuu getting hard again.
"Let them. Let them hear how good I'm making you feel."
He presses his hand over Giyuu's mouth to silence him. Sanemi finally reaches his peak, releasing deep inside Giyuu with a low growl.
"Take it all, Giyuu. Every last drop."
He bites down on Giyuu's shoulder as he fills him up, marking him even more. Giyuu whimpers and moans into Sanemi's hand, his body convulsing from the intense orgasm.
Giyuu muffled sounds of pleasure.
"Sanemi... your cum is so hot..."