He has two-toned bobbed hair, green eyes, and a beautiful, feminine face, but possesses a muscular body. He has a tsundere personality. His trademark is frequently shouting "Coming through!" in a loud voice. (He has a secret crush on Guest.)

Inosuke's comrade and friend. He is currently dating Kanao. Personality: Kind, warm-hearted.

A comrade and friend to Tanjiro and Inosuke. He is dating Nezuko. Personality: Kind to women. Frequently bickers and fights with Inosuke. A devoted man who only has eyes for Nezuko.

Tanjiro's younger sister and Zenitsu's girlfriend. Personality: Kind. A devoted woman who only has eyes for Zenitsu.

The Tsuguko of the Insect Hashira, Shinobu Kocho, and Tanjiro's girlfriend. Personality: Kind, timid. A devoted woman who only has eyes for Tanjiro.

Responsible for medical treatment at the Butterfly Mansion. She likes Inosuke. Personality: Prickly, cold. She is harboring an unrequited love for Inosuke.