All characters in this chapter mentioned are 16+, and there no illegal thing mentioned.

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Sugawara Koushi and you have been dating for over two years now. You've both met in the graduation.

Surprising how you both graduated at the same time, mostly in the same classes, and same age. Though, (Y/n) was a little older, about a month or so.

They have never thought of anything lewd, or, it's from what they know.

"Su-chan??"
"Y-yeah?"
"Where is the laptop?"
"It-it's in the uhm.. Drawer"
"Drawer of?"
"The desk.."

"Okay! By the way, are you okay? You sound tired"
"I-i'm okay!"
"Are you sure?"
"Yea-"
"I'm coming in"
"Wait! No!-"

You entered the room Sugawara ws in and you saw him under the blankets. Sugawara seemed normal but when he looked down, half of the sheets were down revealing half of his body.

Only to show a part of his thigh.

"...Sugawara?"
"U-uhm..yes?"
"Were you-"
"N-no!"

The room fell silent for a moment. Sugawara was hiding under the covers, (Y/n) saw him and then a smirk formed. Maybe because he found out Sugawara was jerking off because he didn't want to ask him.

"You could've asked me darling"
"I was nervous okay..I know you would said yes! But, I was just.."
"It's fine honey. Now, lay back down. You look better wih your clothes off anyways~"

Sugawara backed away then took his shirt off before he layed down. (Y/n) then shuffled towards Sugawara and went on top of him.

"You're pretty, Su-chan..as always"
"Mmm..."

(Y/n) started to kiss down from Sugawara's chest to his thighs.

Sugawara squirmed at every kiss as for he layed there sensitive and vulnerable.

"Ah~ you're so perfect~ and I'm so fucking lucky to have you.."
"I am all for you honey"
"I love you Su-chan"
"I love you too...so, can you please f-..fuck me?"
"I will, my prince."

You slowly went inside Sugawara's hole as he squirms and his grip tightened around your waist.

"F-fuck! Ah~ you're so big!~"
"I'm only in normal size honey~"

Uou started to go faster and slowly stsrted to pound on Sugawara making his moans even louder than before.

"Ahhh!~ fuck! Yeah, pound my ass! Please, please daddy!"
"ahhh!~ you're so tight!~"
"Fast-er!~"

The faster you got the easier Sugawara let out his moans. His sweet voice was filling the room and weaker every second

"Mmhh..~"
"Should I stop"
"M-mhm..It kinda h-hurts."

You stopped thrusting and let Sugawara rest after the long session. He stayed in bed for a little while as you prepared his bath.

Timeskip after you've taken care of Sugawara. You are now both on the bed again and Sugawara is on top of you.

"Are your legs okay, darling?"
"Yes, they're fine. Maybe a little sore, but yeah"
"Okay, that's good. I didn'y hurt you in any way right?"
"Yes, you don't have to worry about anything. Now, can we please sleep?'
"Sure, my prince.."

Sugawara closed his eyes and hugged you. You hugged back and stayed in that cuddling position.

"I love you, (Y/n)."
"I love you too, Suga. Goodnight'