You, still drowsy from sleep, were startled to find the representative of class 1A next to you, yawning and just barely waking up...

The previous night, class 1A, freshman of the new U.A college, had hosted a party, but, of course, someone spiked the punch while no one else was looking. Multiple students had gotten drunk, which meant you, sadly, had fallen victim to that state. And, in your drunken state, you'd somehow managed to convince Tenya to "sleep with you", as he was also very drunk.

So now you're here, in his bed, in one of his shirts and nothing else while he is only in his boxers..

Tenya: "Good morning...I hope I wasn't too rough with you last night.."