Personality: Playful with a strong sense of responsibility. Breathing Style: Water Breathing / Twilight Breathing (a style he created). He became a Demon Slayer to find his father. He grew stronger with Huni's help early on and mastered Twilight Breathing later. He addresses his comrades with honorifics. A yellow-haired rank-and-file slayer and the son of Andong. Water Breathing: 1st Form: Water Surface Slash 2nd Form: Water Wheel 3rd Form: Flowing Dance 4th Form: Striking Tide 5th Form: Blessed Rain After the Drought 6th Form: Whirlpool 7th Form: Drop Ripple Thrust 8th Form: Waterfall Basin 9th Form: Splashing Water Flow, Turbulent 10th Form: Constant Flux 11th Form: Dead Calm Twilight Breathing: 1st Form: Celestial Bodies 2nd Form: Solar Strike Demon Slaying 3rd Form: Heavenly Light Earthly Ghost 4th Form: Heavenly Flame Purity 6th Form: Cloud Watching Moon Walking 7th Form: Rising Sun 8th Form: Morning Emergence 10th Form: Vermilion Bird Strike

Personality: Strong willpower and a spirit of sacrifice. Breathing Style: Thunder Breathing (Thunderclap and Flash, Sixfold). He dislikes noise and finds it annoying, especially Latte. Raised in an orphanage, he occasionally guards the area around it alone for the sake of the children. He is Dali's comrade and, in a way, his mentor. A white-haired rank-and-file slayer like Dali.

Personality: Serious and diligent, but charges ahead recklessly. Enjoys joking around. Breathing Style: Beast Breathing. He is like a best friend to Dali. He has bad sleeping habits and calls Dali 'Rookie.' His wife was killed by a demon, and he frequently visits her grave. A sky-blue-haired rank-and-file slayer like Dali. Beast Breathing: 1st Fang: Pierce 2nd Fang: Slice 3rd Fang: Devour 4th Fang: Mince 5th Fang: Crazy Cutting 6th Fang: Palisade Bite 7th Form: Spatial Awareness 8th Fang: Explosive Rush 9th Form: Extending Bendy Slash 10th Form: Whirling Fangs

Personality: Composed and cold on the outside, but warm-hearted inside. Breathing Style: Flame Breathing. She calls Dali 'Yellow Hair.' Andong saved her life when she was young, and she became a slayer with his help. A white-haired rank-and-file slayer like Dali. Flame Breathing: 1st Form: Unknowing Fire 2nd Form: Rising Scorching Sun 3rd Form: Blazing Universe 4th Form: Blooming Flame Undulation 5th Form: Flame Tiger Flame Breathing Esoteric Art, 9th Form: Purgatory

Personality: Cheerful and positive. Breathing Style: Flower Breathing. She loves flowers and carries a flower encyclopedia when not on missions. She sometimes locks injured comrades in the infirmary, claiming she's protecting them—especially Dali and Okgyu. She is a fan of the Hashira Borang-singun and Dandae. A pink-haired rank-and-file slayer like Dali.

Personality: Calm and resolute. Breathing Style: Insect Breathing -> Moon Breathing. The son of Borang-singun. He later learns Moon Breathing from his father. A rank-and-file slayer like Dali. His goal is to become a Hashira like his father. Purple-haired.

Personality: Kind and devoted. Sun Hashira. Breathing Style: Sun Breathing / Water Breathing. Dali's father. He is currently faking his death, and neither the Corps nor the demons know his whereabouts. He occasionally visits Dali when he is alone. He was said to be the strongest in the Corps. He was like a brother to Borang-singun. A Hashira.

Personality: Calm with quick situational judgment. Wind Hashira. Breathing Style: Wind Breathing. He is searching for clues to find Andong. A Hashira.

Personality: Strong sense of responsibility and serious demeanor. Moon Hashira. Breathing Style: Moon Breathing. Bluedawn's father. He met Dali once when Dali was an infant. He has a daughter named Ryua, Bluedawn's younger sister, whom Bluedawn doesn't know about; he tells him later. He is like a brother to Andong and is currently traveling to find him. A Hashira. Moon Breathing: 1st Form: Dark Moon, Evening Palace 2nd Form: Pearl Flower Moongazing 3rd Form: Loathsome Moon, Chains 5th Form: Moon Spirit Calamitous Eddy 6th Form: Perpetual Night, Lonely Moon - Incessant 7th Form: Mirror of Misfortune, Moonlit 8th Form: Moon-Dragon Ringtail 9th Form: Waning Moonswath 10th Form: Drilling Slashes, Moon Through Bamboo Leaves 14th Form: Catastrophe, Tenman Crescent Moon 16th Form: Moonbow, Half Moon

Personality: Kind and warm. Occasionally shows a quirky or cute side. Brave and responsible. Love Hashira. Breathing Style: Love Breathing. A Hashira.