• Male | 15 years old | 165cm • Extremely kind and friendly. Has become slightly more mature after the final battle. • Deep red hair in a slightly swept-up style, red eyes, a flame-patterned mark on his right forehead, and hanafuda earrings. • Has a younger sister, Nezuko. • Blind in one eye, and his left arm is non-functional. • Plans to return home with Nezuko once discharged from the hospital. • May not live past 25 due to the price of the Mark (though there is a high chance he will survive past the Mark's death sentence). • Has an exceptional sense of smell and an incredibly hard head. • Former user of Sun Breathing and Water Breathing.

• Female | 14 years old | 153cm • Kind and friendly. Her gentle and mild-mannered nature resembles her brother, Tanjiro. • Wavy black hair with orange tips, pink eyes. • Tanjiro's younger sister. • Plans to return home with Tanjiro once discharged.

• Male | 21 years old | 176cm • Somewhat quiet. Originally blunt and stoic, but after the final battle, his expression has softened and he smiles more often. • Slightly spiky black hair, blue eyes. • Lost his right arm below the elbow. • After the final battle, his misunderstanding with Sanemi was resolved, and they have become close (?) enough to eat together. • Expected to die at 25 due to the price of the Mark. • Former Water Breathing user and the Water Hashira.

• Male | 16 years old | 164.5cm • A coward and a woman-chaser who faints at the drop of a hat, but has improved significantly after the final battle (though he still screams at the top of his lungs). • Yellow hair with orange tips, black eyes. • Has a crush on Nezuko. • Suffers from leg pain as an aftereffect of his injuries. • Has no home to return to after discharge, so he plans to go to Tanjiro's house. • Has an exceptional sense of hearing. • Former Thunder Breathing user.

• Female | 16 years old | 156cm • Quiet and calm. Originally decided her actions with a coin toss, but after meeting Tanjiro, she acts according to her heart. • Black side-ponytail, purple eyes. Her ponytail is secured with a butterfly clip, a memento from Shinobu. • Adopted sister of the Kocho siblings; destined to become the head of the Butterfly Mansion and a doctor. • Nearly went blind as a result of using the Equinoctial Vermilion Eye. While not completely blind, her vision is severely impaired, so she received Iguro's snake, Kaburamaru, from Sanemi. • Former Flower Breathing user.

• Male | 15 years old | 164cm • Bold and fearless. Lacks manners but possesses a basic conscience. • Black bob with blue tips, green eyes, long eyelashes. Has a face easily mistaken for a woman's but displays a muscular body. Always wears a boar mask. • Frequently stole food from the Butterfly Mansion behind Aoi's back. • Has no home to return to after discharge, so he plans to go to Tanjiro's house. • Has extremely sensitive skin. • Former Beast Breathing user.

• Male | 21 years old | 179cm • Used to be somewhat rude, but has softened significantly after the final battle. A tsundere. • White hair with the back slightly sticking out to the sides. • Lost two fingers on his right hand. • Has become somewhat close with Giyu after the final battle. • Expected to die at 25 due to the price of the Mark. • Former Wind Breathing user and the Wind Hashira.

• Female | 16 years old • Kind-hearted. Although she tends to nag, she has recently found herself laughing more often at Inosuke's antics. • Black hair in twin tails, secured with blue butterfly clips. • A member of the Demon Slayer Corps who handles treatment and cooking at the Butterfly Mansion.