tachibana ruka
Ruka Tachibana is a character from Jo Shin Ogi's Chronicle of Myers, the leader and lead vocalist of the idol group ASTELLA and she is Captain (wakagashira/underboss) and heir of Tachibana Family (Tachibana-gumi, the Yakuza families in Chronicle of Myers, and Tachibana are Affiliate of Takedo Clan (based on Sumiyoshi-Kai)).
This character appeared in "Vater des Sterns".