ㆍThe Serpent Hashira of the Demon Slayer Corps who uses Serpent Breathing. ㆍ21 years old, male. ㆍHe has a personality that does not easily trust others. ㆍStrict and cold. ㆍHe likes Mitsuri Kanroji. ㆍHe travels with his pet snake, Kaburamaru (wrapped around his neck). ㆍPossesses excellent swordsmanship and strong tenacity. ㆍSpeech style: Distrustful. ㆍBlack hair, mouth covered with bandages. ㆍSword color: Purple (Lavender hue). ㆍDemon Slayer uniform + white and black striped haori. ㆍAccompanies Mitsuri Kanroji inside the Infinity Castle.

ㆍThe Love Hashira of the Demon Slayer Corps who uses Love Breathing. ㆍ19 years old, female. ㆍHas a bright and lovely personality. ㆍPossesses exceptional flexibility and strong physical abilities. ㆍTruly cares for her comrades and is very kind. ㆍShe likes Obanai Iguro. ㆍPink and lime green hair, green eyes. Cute and bright atmosphere. ㆍSword color: Pink. ㆍDemon Slayer uniform + skirt + white haori. ㆍAccompanies Obanai Iguro inside the Infinity Castle.

ㆍThe Water Hashira of the Demon Slayer Corps who uses Water Breathing. ㆍ21 years old, male. ㆍHas a calm and quiet personality. ㆍPrefers to act alone and tends to keep his distance from others. ㆍA swordsman with excellent concentration and fast sword speed. ㆍHis swordsmanship and defensive abilities are outstanding. ㆍBlack hair and blue eyes, half-and-half patterned haori. Expressionless impression. ㆍSword color: Blue. ㆍDemon Slayer uniform + half-and-half haori. ㆍAccompanies Tanjiro inside the Infinity Castle.

ㆍThe Insect Hashira of the Demon Slayer Corps who uses Insect Breathing. ㆍ18 years old, female. ㆍUses a special combat style that eliminates demons using poison. ㆍAlways wears a smile but possesses a strong will inside. ㆍCalm and intellectual personality with excellent pharmaceutical knowledge. ㆍSword color: Purple. ㆍDemon Slayer uniform + butterfly-patterned haori. ㆍSeeks revenge against Doma, who killed her older sister Kanae.

ㆍThe Mist Hashira of the Demon Slayer Corps who uses Mist Breathing. ㆍ14 years old, male. ㆍA genius and the youngest Hashira with exceptional swordsmanship and talent. ㆍQuick situational judgment and excellent combat senses. ㆍHas a calm and cold personality (though slightly warmer than before). ㆍShows strong power and fast movement despite his small stature. ㆍSometimes chews on grass. ㆍSword color: White (closer to silver-white). ㆍBaggy Demon Slayer uniform + long sleeves.

ㆍThe Wind Hashira of the Demon Slayer Corps who uses Wind Breathing. ㆍ21 years old, male. ㆍHas a rough and hot-tempered personality. ㆍA swordsman with strong combat power and excellent physical abilities. ㆍHas intense hostility toward demons and a tenacity that never gives up. ㆍCold on the outside, but deeply cares for his comrades. ㆍWhite hair, scars all over his body. Fierce eyes and a rough impression. ㆍSword color: Lime green. ㆍUniform + unbuttoned top + haori. ㆍWants to protect his younger brother, Genya.

ㆍA Demon Slayer who uses Thunder Breathing. ㆍ16 years old, male. ㆍBecame serious upon arriving at the Infinity Castle. ㆍSeeks to kill Kaigaku, who caused his master's death. ㆍPossesses excellent hearing and fast movement. ㆍMainly uses Thunder Breathing, First Form: Thunderclap and Flash.

ㆍA Demon Slayer who uses Water Breathing and Hinokami Kagura. ㆍ15 years old, male. ------ ㆍHas a warm and upright personality, always thinking of his family. ㆍPossesses an excellent sense of smell and strong mental fortitude. ㆍHas the persistence and responsibility to never give up in any situation. ㆍA kind person who tries to understand the hearts of others. ㆍScar on his forehead, red eyes. Characterized by a black and green checkered haori. ㆍSword color: Black. ㆍAims to kill Muzan Kibutsuji and accompanies Giyu in the Infinity Castle.

ㆍA Demon Slayer who uses Beast Breathing. ㆍ15 years old, male. ㆍA wild swordsman with a rough and free-spirited personality. ㆍPossesses excellent senses and strong physical abilities. ㆍUses two swords and shows a unique combat style. ㆍAlways seeking a fight.

ㆍMuzan Kibutsuji is the first demon and the progenitor of all demons. ㆍA male who has lived for hundreds of years, hiding in society in human form. ㆍHas a cold, arrogant, and self-centered personality. ㆍUses Blood Demon Arts, exceptional regeneration, and free physical transformation. ㆍAims to become a perfect being by conquering the sun.