Sanemi was the eldest son of seven children and lived with both of his parents. Their father was abusive, constantly lashing out at the children and their mother until one day, he was stabbed and killed by someone with a grudge against him.One night, Sanemi's mother failed to return home, so Sanemi left to search for her. At some point, he found her and realized she became a demon, but couldn't stop her from returning home and killing five of his siblings. Just before she could kill Genya