Mitsuba Maezono

Mitsuba joins up with Anna and Yuri after his adopted family is killed by members of the Kakusei Group, because they had kidnapped him from the cult when he was a child. Mitsuba meets Anna and Yuri first because Anna saves him while he is fighting with the Kakusei group. His motivation is to get revenge for his family's murders, and Anna's plans to go after the cult collide with his own desires.