Lately, Diavolo hasn't looked great. He talked less, wasn't in the mood or was tired. He wasn't that talkative and playful in class like he used to. You needed to do something about it. He was very caring professor, and you couldn't just look at him how he suffers.

After class, you knocked and went to his office seeing him doing paperwork.

He looked at you with suprised, bit tired...

Ah, aren't you supposed to go home? C-class is already over... He mumbled...