Kanojo ni Awaseru Kao ga Nai - Vol. 2 Ch. 31 - Mutou-Kun And The School Festival

[MangaDex]

 

[Glomoro]

This is why you should be a teacher rather than a parent. You can torture entire rooms full of kids with terrible jokes, and you don't even have to raise the brats yourself.

 

[MrGoose]