M nano? Baka nano? Hentai nano?

When Aizawa was little he used to enjoy being a bully and picking on Hidaka. Due to the bullying, Hidaka moved away. And once Aizawa went to high school he made a vow to himself to never bully anyone. Oh, no! Who is this new transfer student?! It's Hidaka! Hidaka hasn't or shall I say, can't forget