Roku Takewaki (Ryuji Harada) of the Rikiishikai launches an attack on the head of the Ebina Union! However, the attack fails, leading to Roku’s imprisonment and Rikiishikai falling under the control of the Ebina Union. Upon his release, Roku is expelled from the organization by Rikiishikai’s Wakagashira, Gondo (Hideo Nakano), and is forced to survive by working as a shady debt collector. One day, Roku learns that Gondo was secretly behind the failed attack. Armed with twin pistols, he storms into Rikiishikai alone…!