Aizawa
相沢
The main antagonist in the series. It is revealed that Nanami was once with Aizawa, conducting brutal experiments in the laboratory, but met Shinichiro and left him. Aizawa has a son named Kai Nagase, but in the Drama CD's addresses him by "Kai-Kun". In the anime, he manipulates with Sunao's feelings and turns him against Sora Hashiba.
Source: Wikipedia
Source: Wikipedia
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Sukisho
Supporting (Role) TV