Shousetsu: Nintama Rantarou, Dokutake Ninja-tai Saikyоu no Gunshi
小説・落第忍者乱太郎ドクタケ忍者隊最強の軍師
A ninjutsu instructor named Doi Hansuke disappears after traveling to a duel arranged with the Tasogaredoki Ninja, Moroizumi Sonnamon. Denzo Yamada and Tamatsu, a senior student, learn of the incident and start looking for Doi. At the same time, reports surface about unusual activity at Dotake Castle, a long-standing adversary of the Ninjutsu Academy.
