Kin Gaku (楽 禁, Gaku Kin) is part of Kouen Ren's Household Members.

Kin has the appearance of a huge and robust man. He has a pig nose, a round face and his moustache, hair and teeth are dark. He wears the typical Kou's dress but without sleeves, which show his robust arms. He also wears an armor that covers his chest, with a scarf on the neck. He also wears a head scarf and carries a sort of spear.