弱小的大太刀高等学校相扑部加入了一名个子不高的新部员——潮 火之丸。在这项以“壮”、“重”为优势的竞技中，小个子的火之丸却说出了以大相扑最高等级“横纲”为目标的豪言。白热的高中相扑，开幕！
Atsushi Abe
Hinomaru Ushio (voice)
Fukushi Ochiai
Shinya Ozeki (voice)
Kentaro Kumagai
Yūma Gojō (voice)
Takuya Sato
Chihiro Kunisaki (voice)
Ayumu Murase
Kei Mitsuhashi (voice)
Takuma Terashima
Kirihito Tsuji (voice)
Mikako Komatsu
Reina Gojō (voice)
Rui Tanabe
Chizuko Hori (voice)
Justin Tomimori
Daniel Stefanov (voice)
Shunsuke Takeuchi
Sōsuke Kuze (voice)
Noriaki Sugiyama
Jin Yomoda (voice)
Takuto Yoshinaga
Shun Kariya (voice)
Taku Yashiro
Rion Sawai (voice)
Daisuke Namikawa
Gennosuke Araki (voice)
