Tomoko Ryuujin
竜神 智子
About
She is the older sister of Shougo and the daughter of Kengo Ryuujin. She also has a part time job at a diner. In addition to that, she is also a 3rd degree black belt in Karate which would make her a Sensei. (Source: Majin Bone Wikia)
Voice Actors
Kotobuki, Minako
Japanese