Riku SaitoActing • 1990-12-18 • Sapporo, Hokkaido Prefecture, JapanNo biography available.Known ForA Tale of the Riverside2020When You Wish Upon a Black Hole2025Lemmings2020Akogare doll2025Fan ClubNo Nerds have favorited Riku Saito yet — be the first.All fan clubsFrom NerdspinFilmographyActor42025When You Wish Upon a Black HoleFilmMasato Yamanobe2025Akogare dollFilmKeisuke2020A Tale of the RiversideFilmShinichi Shibata2020LemmingsFilm