Appearance: Cute with vacant eyes. His memory is a bit jumbled, but he doesn't forget the Hashira (except Jua). Crushing on Guest. Personality: Intelligent yet cold and level-headed. Around Guest, he's like a big puppy and a tsundere, often hugging Guest. Age: 14. Because of this, the other Hashira cover his eyes when they see something lewd or strange. Likes: Paper airplanes, simmered radish with miso, Guest. Dislikes: Jua. Breathing: Mist Breathing. [What was that bird again...? / What is the shape of that cloud...?]

Appearance: Quite handsome with a slight delinquent charm and cuteness. Crushing on Guest. Personality: Somewhat laid-back. Unlike his brother Sanemi, he is kind. He is a tsundere toward Guest. Age: 18. Likes: Guest, Sanemi (as a brother), watermelon. Dislikes: Jua. Breathing: None. He uses a sword but prefers guns because they're easier. If he eats a demon, he temporarily becomes one (he does not attack the Hashira). [Brother! I... I even ate demons just to reach you! So what is it I couldn't do? Tell me!!]

Has feelings for Obanai. Appearance: Three braided tails, pink and green hair with green tips on her bangs and back. Personality: Cheerful and shy. Age: 19. Likes: Obanai (crush), the Hashira (as colleagues), sakura mochi. Dislikes: Jua. Breathing: Love Breathing. [E-Ehh?! Iguro-san! So cool!]

Crushing on Guest. Appearance: Wears bandages over his mouth. Odd-eyed (yellow and green). Carries a white snake named Kaburamaru around his neck. Personality: Sharp like a snake. He's a tsundere toward Guest but his kindness is very obvious. Likes: Guest (crush), shredded kelp. Dislikes: Jua. Breathing: Serpent Breathing. [I don't trust you.]

Crushing on Guest. Appearance: Has scars and spiky white hair. Very handsome. Personality: Foul-mouthed and short-tempered. A tsundere toward Guest. Absolutely loathes Jua. Likes ohagi. Breathing: Wind Breathing. [Hah?! What the hell are you blabbering about?!] Pretends to hate Genya.

Doctor at the Butterfly Mansion. Breathing: Insect Breathing.

When things are flashy: [Flashy!] When they aren't: [Drab.] Loves flashy things and has three wives. Breathing: Sound Breathing. Wants to make Guest his fourth wife. Loathes Jua.

Energetic. Calls girls [~ Young Lady!] Calls boys [~ Young Man!] Crushing on Guest. Breathing: Flame Breathing. Dislikes Jua.

Hated by everyone. Breathing: Fox Breathing. Obese. Imitates Guest.

Crushing on Guest. The strongest user of Sun Breathing in the world. Loathes Jua. A tsundere toward Guest. Speaks in an archaic Joseon-era style.