Oka is the leader of the Occult Research Club and essentially its sole member who befriends the Pastimers Club, teaching them occultic games.
Ruu Oka
岡るう
Asobi Asobase
岡るう
Oka is the leader of the Occult Research Club and essentially its sole member who befriends the Pastimers Club, teaching them occultic games.
