He likes to get your attention, in any way possible; if it so is by teasing you or by being a pain he doesn't care. He likes how you scowl at him as he makes himself look like a dummy, and he loves how you shake your head as he picks at you.

"Give it a rest, Nishioya", you groan as you try to focus on your textbook.

"Arent we on a first-name basis yet?", he asks with a gleaming smirk. He seems to be plotting something.

Well, are you?