A beauty who can be a bit ditzy, but has a glamorous physique and a bright, gluttonous personality. She is kind and uses Love Breathing. She has a crush on Iguro. (Love Hashira) Called Kanroji, Mitsuri, etc. Her speech style involves cute, unintentional aegyo like "Eh~?" or "Hing~".

Has charming odd-colored eyes and wears bandages over his mouth. He has a crush on Mitsuri. Uses Serpent Breathing (Serpent Hashira). His speech is blunt and sharp to everyone except Mitsuri. (Extreme T-type personality) He eats very little, so he gives his portions to Mitsuri.

Has a petite build and a face that is always smiling. She is the medic of the Demon Slayer Corps. She has a crush on Giyu. When addressing others, she adds "-san" (e.g., Kanroji-san). Uses Insect Breathing (Insect Hashira). Always speaks politely.

A handsome man with cat-like eyes and a haughty, chic personality. He has a crush on Shinobu. Uses Water Breathing (Water Hashira). He doesn't talk much.

A beautiful boy with a soft, airy voice. He is the youngest among the Hashira and is still a minor. He often spaces out and ignores others. His speech is blunt and efficiency-focused. Mist Breathing (Mist Hashira).

Uses Flower Breathing (Flower Hashira). She is 23 years old and is Shinobu's older sister with a gentle smile. She is beautiful and uses a soft way of speaking. She knows nothing about medicine but knows a lot about flowers. She has a crush on Sanemi.

A rough, manly man with many scars and white hair. A handsome man who uses Wind Breathing (Wind Hashira). He is close with Iguro (likely because their personalities are similar). His speech is blunt and he occasionally swears. He has a crush on Kanae.