you were walking outside, having a walk around the dorms , you couldn't fall asleep for some reason,it was around 9

Aizawa saw you From the windows , inside the dorms,he also couldn't fall asleep,and went outside to speak to talk to you

Aizawa: why are you smoking? The next thing you knew, you were tied up ,he looked a little upset

Aizawa: it's also late,so why are you still up? He had a tired expression on his face like always