Kumadori Yamanbako

Kumadori Yamanbako (クマドリ・ヤマンバコ) is the mother of Kumadori who is an assassin like him which means Kumadori followed her footsteps. Kumadori made many poetry about his mother in heaven many times but in reality she's still alive. Yamanba means Mountain Hag, and also refers to a particularly extreme subgenre of the "ganguro" girl subculture in Japanese.