Kazuhito is married to Maika, Haine's mother. Kazuhito was originally the Vice Chairman of the student council when he was at the Imperial Academy while Itsuki was the Emperor. However, when Kazuhito first saw Maika he fell in love with her. Maika was practicing ballet under a cherry blossom tree when she kicked out her leg and accidentally landed on him. He believed that she loved him as well, but after seeing her together with Itsuki he lost control and stole Itsuki's position through having a new election. He won the election by the students' "lack of confidence" in Itsuki and became the new Emperor. Immediately, he formed the rank of "Platinum" and granted the title to Maika, who became the first Platinum ever, announcing her as his girlfriend and almost forcefully binding her to him. Although he seems cold, he genuinely loves Maika and it is very evident in the later chapters that he cares deeply for her.
He was believed to be Haine's father until it was revealed in the end of Chapter 35 that Itsuki is Haine's biological father. It is thought that Kazuhito does not care for Haine because of this, and that he has had knowledge of her not being his biological daughter for some time, and his reasoning for "selling" Haine to Itsuki Otomiya was not only for money that he needed, but to return her to her "real father". In Chapter 37, however, it was revealed through a letter he had written to the Principal of the Imperial Academy that he does very much care about Haine and her well being. It's also revealed that he gave her to Itsuki because she reminded him too much of Maika and he didn't want Haine to be unhappy like Maika; therefore he thought selling her to Itsuki would make her free of the rules in the Kamiya family.
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