Kazuha was originally kind, gentle, and lovely boy, but he got hurt after the break up and he turn into a completely different person as he becomes a cold person, he become like dominate Person, he becomes like a bully one, he becomes a person who is teaser as well, and he becomes not kind of person he was in his previous past self But he still sweet sometimes, but like a tsundere vibes, when he fall in love he become tsundere