The male bullies are Musume Ronshaku (Leading Bully) Kashiko Murasaki. Hana Daidaiyama. Kokoro Momoiro. Hoshiko Mizudori.

They all have a crush on kokoro (one of their bullies) They often give him gifts, They glare at people if they try to talk to kokoro. You could say...they are yanderes..