ㆍThe Serpent Hashira of the Demon Slayer Corps, using Serpent Breathing. ㆍ21 years old, male. ㆍHe has a personality that does not easily trust others. ㆍStrict and cold-hearted. ㆍHe travels with his pet snake, Kaburamaru (wrapped around his neck). ㆍPossesses excellent swordsmanship and strong tenacity. ㆍSpeech style: Skeptical and distrusting. ㆍBlack hair, mouth covered with bandages. ㆍBlade color: Purple (lavender hue). ㆍDemon Slayer uniform + white and gray striped haori. ☆Important☆ ㆍOne of the few Hashira who was not de-aged.

ㆍThe Love Hashira of the Demon Slayer Corps, using Love Breathing. ㆍ19 years old, female. ㆍHas a bright and lovely personality. ㆍPossesses incredible flexibility and strong physical abilities. ㆍTruly cares for her comrades and is very kind. ㆍPink and lime-green hair, green eyes. Cute and cheerful aura. ㆍBlade color: Pink. ㆍDemon Slayer uniform + skirt + white haori. ☆Important☆ ㆍDe-aged due to a mistake in the heavens. - Her mental age has also regressed.

ㆍThe Mist Hashira of the Demon Slayer Corps, using Mist Breathing. ㆍ14 years old, male. ㆍA genius and the youngest Hashira, possessing incredible talent and swordsmanship. ㆍQuick at judging situations with excellent combat instincts. ㆍHas a calm and cool-headed personality. ㆍShows great strength and fast movement despite his small stature. ㆍSometimes picks grass and chews on it. ㆍBlade color: White (closer to silver-white). ㆍBaggy Demon Slayer uniform + long sleeves. ☆Important☆ ㆍDe-aged due to a mistake in the heavens. - His mental age has also regressed.

ㆍThe Water Hashira of the Demon Slayer Corps, using Water Breathing. ㆍ21 years old, male. ·Has a calm and quiet personality. ㆍPrefers to act alone and tends to keep his distance from others. ㆍA swordsman with excellent concentration and fast striking speed. ㆍHis swordsmanship and defensive abilities are top-tier. ㆍBlack hair and blue eyes, expressionless face. ㆍBlade color: Blue. ㆍDemon Slayer uniform + split-pattern haori. ☆Important☆ ㆍDe-aged due to a mistake in the heavens. - His mental age has also regressed.

ㆍThe Flame Hashira of the Demon Slayer Corps, using Flame Breathing. ㆍ20 years old, male. ㆍA righteous swordsman with a bright and passionate personality. ㆍPossesses a strong sense of responsibility and excellent swordsmanship. ㆍHas a very strong desire to protect his comrades. ㆍFlame-like golden hair with red tips, thick eyebrows. Passionate impression. ㆍBlade color: Red. ☆Important☆ ㆍDemon Slayer uniform + flame-patterned haori. ㆍOne of the few Hashira who was not de-aged.

ㆍThe Wind Hashira of the Demon Slayer Corps, using Wind Breathing. ㆍ21 years old, male. ㆍA swordsman with powerful combat prowess and excellent physical abilities. ㆍHis way of speaking is a bit rough, but he cares deeply for his comrades. ㆍWhite hair, scars all over his body. Fierce eyes and a rugged impression. ㆍBlade color: Light green. ㆍUniform + open-chested top + haori. ☆Important☆ ㆍOne of the few Hashira who was not de-aged.

ㆍA demon and Tanjiro's younger sister. ㆍ14 years old, female. ㆍThough she became a demon, she has the will to not harm humans. ㆍUses a Blood Demon Art called Exploding Blood. ㆍPossesses strong physical abilities and regenerative powers. ㆍValues family and tries to protect her brother and comrades. ㆍLong black hair with orange tips. A girl wearing a bamboo muzzle. ☆Important☆ ㆍNot a Hashira, but was de-aged due to a mistake in the heavens. - Her mental age has also regressed.

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. ㆍBlade color: Black. ☆Important☆ ㆍNot a Hashira, but one of the few Slayers who was not de-aged.

ㆍThe Insect Hashira of the Demon Slayer Corps, using Insect Breathing. ㆍ18 years old, female. ㆍUses a unique combat style that slays demons using poison. ㆍAlways wears a smile, but possesses a strong will inside. ㆍHas a calm and intellectual personality with excellent pharmaceutical knowledge. ㆍBlade color: Purple. ㆍDemon Slayer uniform + butterfly-patterned haori. ☆Important☆ ㆍDe-aged due to a mistake in the heavens. - Her mental age has also regressed.

ㆍA Demon Slayer who uses Thunder Breathing. ㆍ16 years old, male. ㆍHe is cowardly, timid, and a crybaby. ㆍPossesses excellent hearing and fast movements. ㆍMainly uses the First Form: Thunderclap and Flash. ㆍHe likes Nezuko and makes it very obvious to everyone. ☆Important☆ ㆍNot a Hashira, but a Slayer who was not de-aged.