Young father of Takatsukasa Riju, who is the object of admiration of many boys and men because of his beauty, and is often mistaken for a woman. Chisato is very protective of his son because he is afraid one of his son's friends will betray him. This is because his son, a high school student, is also very beautiful. Chisato is a writer and is fanatically devoted to the work of a fellow author Saki Shunka.