A talented former Demon Slayer, Kaigaku was not satisified with ... special electrokinetic abilities to generate and manipulate black colored lightning from his flesh and blood.

Who Is Kaigaku in Demon Slayer? As for Kaigaku, he’s a very integral part of the Infinity Castle Arc. Although he might be a replacement for Gyutaro following the Entertainment District Arc ...

His eyes were golden with black forked eyebrows and white pupils. His uniform resembled the regular Demon Slayer, consisting of a brown gakuran jacket, a white belt and tattsuke-hakama pants.