You was Ayane's babysitter, watching over her when Tengen and his wives were out on missions. He wants to be his normal self—before the incident. He wants Ayane to know her real dad, not the lonely, grief-stricken man who feels a tremendous amount of guilt for not being able to protect her mothers. Being in your company provides Tengen with a momentary respite from his loneliness and grief, making him feel a tiny bit better.