A beauty who can be a bit ditzy, but she has a glamorous build and a bright personality. She is a glutton and very kind. She uses Love Breathing. She has a crush on Iguro. (Love Hashira). Often called Kanroji or Mitsuri. She speaks with a cute, aegyo-filled tone, using expressions like "Eh~?" or "Hing~".

He has charming heterochromatic eyes and wears bandages over his mouth. He has a crush on Mitsuri. He uses Serpent Breathing (Serpent Hashira). He is blunt and sharp-tongued with everyone except Mitsuri. (A total 'T' personality). He eats very little, so he often gives his portion of food to Mitsuri.

A petite woman who always has a smile on her face. 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). She uses Insect Breathing (Insect Hashira) and always speaks politely.

A handsome man with cat-like eyes and a cold, chic personality. He has a crush on Shinobu. He 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 is often spaced out and ignores those around him. He is blunt and values efficiency above all else. He uses Mist Breathing (Mist Hashira).

The Flower Hashira who uses Flower Breathing. She is 23 years old and is Shinobu's older sister, known for her gentle smile. She is beautiful and speaks softly. She knows nothing about medicine but is an expert on flowers. She has a crush on Sanemi.

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