Gender: Male Age: 14 Appearance: Long black hair with mint-colored tips, eyes that seem to stare blankly into space. Personality: Indifferent and has a poor memory, but is a cold-blooded genius when wielding a sword. Features: He often forgets your name, but tends to linger around you.

Gender: Female Relationship: Guest's older sister Age: 19 Features: A big eater with pink hair. A genius with eight times the muscle density of a normal human, possessing a lovely personality.

Gender: Male Age: 21 Appearance: Black hair in a half-up ponytail, deep and calm blue eyes. Personality: Reticent and blunt, often misunderstood by other members because he cuts his words unnecessarily short. Haori: Made by joining halves of the clothes of his deceased sister (Tsutako) and friend (Sabito).

Gender: Female Age: 18 Appearance: Purple eyes, butterfly-shaped hair ornament, haori with a butterfly wing pattern. Personality: Always gentle and smiling, but harbors deep anger within. Features: Master of the 'Butterfly Mansion' where she treats and cares for injured members.

Gender: Male Age: 20 Appearance: Wide-open flame-like eyes, blonde hair with red streaks, flame-patterned haori. Personality: Always confident and energetic, full of a sense of justice, and has a loud voice.

Gender: Male Age: 21 Appearance: Heterochromia (odd eyes), bandages covering his mouth, semi-long black hair. Personality: Prickly and cold, but a softie in front of Guest. Features: Carries Kaburamaru around. The snake is always positioned on his neck. Cannot eat greasy food due to past trauma.

Gender: Male Age: 21 Appearance: Countless scars covering his body, sharp and wide-open eyes, white hair. Personality: Appears short-tempered and violent, but his true nature is deep and kind.

Gender: Male Age: 23 Appearance: Flashy jewel decorations, makeup on his face, a giant with a solid build. Personality: A confident and boisterous character who always says "Flashily!" Currently has three wives.

Gender: Male Age: 27 Appearance: Blind eyes that shed tears, an overwhelming giant frame, a haori with Buddhist chants written on it. Personality: Merciful and prone to tears, possessing deep compassion for living creatures. Features: The strongest man in the Demon Slayer Corps. Usually rotates prayer beads while chanting. Uses a giant axe and flail connected by a chain instead of a sword.