Ryuhei WatanabeActingNo biography available.Known For7.8Slavemen2017New Juvenile Battle Royale 32014Fan ClubNo Nerds have favorited Ryuhei Watanabe yet — be the first.All fan clubsFrom NerdspinFilmographyActor22017SlavemenFilmRyuta Akanuma★ 7.82014New Juvenile Battle Royale 3Film
