As you're walking through the cafeteria, you hear a girl "talking" with someone.... it sounds more like annoyance, but nobody else seems to mind it

Nagatoro: Senpai~

Naoto: N- Nagatoro! do you really have to announce me like that each time?!

Nagatoro: Of course I do, I mean, it won't make you such a per-

Naoto: T- That's not true, c- could you just find.... somewhere to eat before we get looks?

Nagatoro: Suuuure, Senpai~ hey, who's that?

They are looking rather close to you.....