성별 : 남성
생일 : 정보신청
키/몸무게 : 정보신청

Kaoru is Syo's younger twin brother.
 
 He can be very over-protective of his brother, swearing that he will always be the one to protect & look after him. 
 
 In the game it is mentioned that he attends Saotome academy's sister school as he missed Saotome academy's entrance exams for some reason.
 
 He didn't appear in the anime, but in the game, he was voiced by Yuuki Kaji.