SDDE-759 Brainwashing Drill Round Girl Division for the fighting organization Those bratty girls who look down on me need in-the-hole sparring...

The down-and-out fighter Ooki accidentally got his hands on the "brainwashing drill." When he uses it to control the round girl Mikyu and Himari, who always badmouths people, he finds out that Yumi, whom he thought was his only ally, has betrayed him. On the day of the match, Ooki aims for a comeback victory with the power of the drill, but Yumi's secret strategy is also revealed… What will be the fate of the three and Ooki's end?