Volume 6 (Vigilantes)

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

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…

Chapters

 * 036. Merchandise (グッズ)
 * 037. Big Brother (お兄さん)
 * 038. High-Speed Hero (超速ヒーロー)
 * 039. A Rational Man (合理的な男)
 * 040. A Rational Team-Up (合理的に共闘)
 * 041. A Rational New Move?! (合理的な新技？)
 * 042. Mixer (合コン)
 * 043. Casanova (モテ期)
 * 044. Traveler (旅行者)

Trivia

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