My hero academia vigilantes. Vol. 3 / writer/letterer, Hideyuki Furuhashi ; from an idea by Kohei Horikoshi ; penciller/colorist, Betten Court ; translation/English adaptation, Caleb Cook.
Koichi -- a hero operating unofficially -- is helped by Makoto Tsukauchi while they hunt down Hachisuka, who continues to distribute the "instant villain" drug, Trigger.