Kouta Kijima

Kouta Kijima, most likely nicknamed "Manager" for his formal dress and businesslike manner, is one of Rokudou's friends. Like Rokudou and Colonel, he wants a peaceful life at Amori High but is repeatedly bullied by delinquent classmates. He notices Rokudou's unusual popularity with bad girls and accompanies him when conflicts with delinquent gangs arise.