Isao has a calm, taciturn nature and likes to listen more than talk. You can't expect sincere confessions from Yasuda. He does not try hard to please the interlocutor, but he does not openly show anger at him. Basically trying to keep the position of the observer. He is 27 years old and spends most of his time away from the Charisma House. He has black eyes and black fluffy hair.