A ``brainwashing drill'' that Oki, a fallen martial artist, accidentally obtained.There, when he uses a drill to manipulate the round girls Miyu and Himari, who he regularly curses at, he learns of the betrayal of Yumi, who he thought was his only ally.On the day of the match, Oki aims for a come-from-behind victory using the power of drills, but the secret plan that Yumi had in mind is also revealed...What will be the fate of the three and Oki's outcome?
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