Older brother, babysitter, and has a very close relationship with his toddler brother Kotarou. Both his parrents died in a plane crash, now Kotarou and Ryuuichi live alone.
Older brother, babysitter, and has a very close relationship with his toddler brother Kotarou. Both his parrents died in a plane crash, now Kotarou and Ryuuichi live alone.