Shousetsu: Nintama Rantarou, Dokutake Ninja-tai Saikyоu no Gunshi Anime Details and Episodes Ninjutsu school teacher Doi Hansuke goes missing after heading to a duel where he was challenged by Tasogaredoki Ninja Moroizumi Sonnamon. Denzo Yamada… Series info · Watch free · Trending anime · Airing schedule FormatNovelStatusFinishedSourceMangaCountryJapan Action Ninja Nintama Rantarou: Dokutake Ninja-tai Saikyоu no Gunshi (Alternative) · Rakudai Ninja RANTARO (Source) Hansuke Doi