Profile image.

Profile image (human).

Upper Rank profile.

Colored profile image.

Colored profile image (human).

Colored body image.

Kaigaku tells Zenitsu not to refer to their sensei in such a familiar way.

Kaigaku first time running into a demon.

Kaigaku inviting a demon to Gyomei's temple.

Kaigaku receiving Muzan's blood from Kokushibo.

Zenitsu vs Kaigaku.

Zenitsu using Breath of Thunder's Seventh Style Flaming Thunder God to decapitate Kaigaku.

Kaigaku getting beheaded by Zenitsu.

Chapter 145.

Kaigaku's design in the anime (human).

Kaigaku's first appearance in Zenitsu's flashback.