Mugen Kanzaki

Mugen Kanzaki (神崎 武玄, Kanzaki Mugen) is Hajime Kanzaki's father and the boss of the yakuza.

Futaba Kanzaki
He really loves his little granddaughter and tries everything, that she loves him too. In his eyes is Futaba is the cutest of all, which cause a little trouble, after Hilda hearing that.