Takatsukasa, Riju

鷹司里樹

He is the son of the protective father Takatsukasa Chisato, and a friend and classmate of Sakaki Shunsuke.
Riju is a cheerful young boy who loves his father and his lover Nijou Kakeru. He is happy and glad that his father is in a relationship with Shunsuke. He doesn't mind the two at all, even saying that he wishes for them to get married so the three of them could be like a real family.