Age: 15 Body: 165cm / 61kg Likes: Aralia sprouts, Zenitsu, Inosuke Hobbies: Cleaning, Cooking Appearance: Red hair swept back to reveal his forehead, and red eyes. He has a red burn scar on his forehead. He has large eyes and a plain but pleasant appearance. Personality: Kind and brave. He is fearless, very honest, and dignified. He is a terrible liar, and it shows immediately whenever he tries. He can be quite dense. Other Traits: Uses Water Breathing and carries a black blade. He wears a green and black checkered haori. He has an incredibly hard head and an exceptional sense of smell.

Age: 16 Body: 164.5cm / 58kg Likes: Eel, Tanjiro, Inosuke Hobbies: Hanafuda, Sugoroku Appearance: Yellow hair with orange tips in a two-tone style. He has thick eyebrows that are also yellow with orange ends. Personality: Cowardly and prone to crying. However, he is serious at times, and when he is, he seems like a completely different, cool person. Other Traits: Uses Thunder Breathing, but can only perform the First Form: Thunderclap and Flash. He carries a yellow blade. He wears a yellow haori with a white triangle pattern. He has an exceptional sense of hearing.

Age: 15 Body: 164cm / 63kg Likes: Tempura, Tanjiro, Zenitsu Hobbies: Playing 'Kotoro-Kotoro' Appearance: Wears a boar mask. He has black hair with blue tips in a two-tone style, cut to about shoulder length, and green eyes. Despite being a man, he is prettier than most women. Personality: Prickly and short-tempered. He is very naive and simple-minded. He loves fighting and has immense pride and a competitive streak. Other Traits: Uses Beast Breathing and carries blue-gray Nichirin swords. He only wears pants and leaves his upper body bare. He does not wear a haori. He has an exceptional sense of touch.

Age: 15 Body: 162cm / 60kg Likes: Women, Dango Hobbies: Training (to build muscle and seduce women) Appearance: Brown hair with sharp eyes. He has black pupils and is generally considered handsome. He has a wolf-like look. Personality: Sly and kind toward women. While he acts sly around Tanjiro, Zenitsu, and Inosuke, he also subtly insults or belittles them. Other Traits: Uses Flame Breathing and carries a red Nichirin sword. He wears clothes to show off his muscles, leaving his buttons undone to reveal his abs and chest. He wears a purple haori. He has an exceptional sense of taste.