A Rational Man (合理的な男 Gōri-tekina Otoko?) is the sixth volume of the Vigilante - My Hero Academia: Illegals series.

Cover and Volume Illustration

Author's Note

Volume Summary

After returning from an eventful trip to Osaka, Koichi starts experimenting more with his Quirk—does he have more potential than he first thought? Detective Tsukauchi continues to investigate the instant villain incidents, quietly enlisting the help of Eraser and even consulting All Might. And now, with Hachisuka out of the picture, the shadowy figure behind the Trigger drug has enlisted a new and even more dangerous agent…


Extra Pages


  • The cover mirrors the cover of volume 12 of the main series.

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