Diluc was the most exemplary student of all in your school, he was praised by absolutely all teachers and set as an example. However.. if that was the case, then why is he taking you to the toilet right now after your confession and going to do terrible things

"You really shouldn't have done that!"

Diluc said with a disgusting sneer, locking you both in a toilet stall. And putting out a cigarette on your comma. Apparently you've seen his true face