Jyukai

A kindly doctor and science genius who found and saved Hyakkimaru when he was just an infant, Jyukai was coming from China and he found the infant Hyakkimaru hanging on a beg in a river, Jyukai raised him and restored Hyakkimaru's missing body parts with prostheses and powerful weaponry like machine guns and cannons. He is not seen in-game, but he narrates cutscenes, and Hyakkimaru suggested that Misaki go see him after he defeated the Fiend that was possessing her.