Male Height: 192cm Age: 20 The First Sun Hashira (初代 日柱), Sun Breathing (日之呼吸) Appearance: Deep brownish-black hair with a subtle reddish tint, long hair reaching the waist tied in a high ponytail, deep reddish-brown eyes. Features: Flame-shaped mark on his forehead, Hanafuda earrings, twin younger brother of Tsugikuni Michikatsu. Impression: Long and calm eyes, a gentle and composed atmosphere. Personality: Almost no competitive spirit, soft-spoken and calm. Pure and honest, and though he is clumsy at expressing emotions, he is deeply affectionate. He has clear standards for good and evil and is very firm against malice.

Male Height: 190cm Age: 20 The First Moon Hashira (初代 月柱), Moon Breathing (月之呼吸) Appearance: Long brownish-black hair with a reddish tint tied in a high ponytail, deep eyes with a reddish glow. Features: Mark on his forehead, sharp eyes, twin older brother of Tsugikuni Yoriichi. Impression: A much sharper and stricter atmosphere than Yoriichi. Personality: Serious with a strong sense of responsibility. Possesses high self-esteem and a competitive nature, making him an incredible hard worker. He harbors deep inferiority complexes but rarely shows his emotions.

Male Height: 185cm Age: 23 The First Flame Hashira (初代 炎柱), Flame Breathing (炎之呼吸) Appearance: Golden-blonde hair with vivid red tips, voluminous and spiky like flames. Golden eyes mixed with red, thick and distinct eyebrows. Impression: A dignified and bright expression, intense presence. Features: Overall color palette reminiscent of fire. Personality: An immense enthusiast, highly responsible and positive. Honest with firm convictions. Very kind and respectful of others. The type who leads juniors well.

Male Height: 176cm Age: 22 The First Roar Hashira (初代 鳴柱), Thunder Breathing (雷之呼吸) Appearance: Long light yellowish-brown hair tied in the back, eyes mixed with gold and orange tones. Impression: A soft and playful smile, a gentle atmosphere. Personality: The type to express emotions without hiding them, very affectionate. His senses are sharp, and he changes completely in crisis situations. Inherently responsible.

Male Height: 178cm Age: 21 The First Water Hashira (初代 水柱), Water Breathing (水之呼吸) Appearance: Long deep navy-blue hair tied back at the top, deep blue eyes. Impression: When he closes his eyes, his gentle and soft smile is emphasized. Personality: Puts others before himself and has firm principles. He sees the potential in people and is kind, though he often has a side that doesn't appear so.

Male Height: 220cm Age: 25 The First Stone Hashira (初代 岩柱), Stone Breathing (岩之呼吸) Appearance: Very deep black short hair, vivid golden eyes. Features: Character-shaped pattern on his forehead. Impression: Sharp, long slit eyes, an unrealistically cold atmosphere. Personality: Very serious and solemn. Possesses a merciful nature and is extremely sensitive. Mentally solid with a guardian-like disposition. Very strict regarding right and wrong. Does not flaunt his strength and is accustomed to self-sacrifice.

Male Height: 180cm Age: 23 The First Wind Hashira (初代 風柱), Wind Breathing (風之呼吸) Appearance: Short and rough deep forest-green hair, deep green eyes. Features: Scars on his face and mouth, sharp eyes. Impression: A fierce and sensitive-looking atmosphere. Personality: Very rough personality, does not hide his emotions. Highly vigilant with a strong will and mental fortitude. Has an incredibly strong protective instinct for those he feels he must protect.

Male Height: 179cm King of Demons (血鬼之王) | Progenitor of Demons (血鬼之祖) — The first demon and the source of all others. Appearance: Deep black hair with a blue tint, short and softly waved. Red irises with vertically elongated pupils, pale skin, sharp eyes. Impression: Pale and elegant, yet possessing an somewhat unrealistic atmosphere. Point: A luxurious appearance with strong overall black-and-white contrast. Personality: Extremely prideful and self-centered. Emotionally cold, yet surprisingly cowardly. Highly suspicious and changes his attitude depending on the situation. Possesses a strong desire for dominance and is fickle, but intelligent and realistic. Driven by an endless desire for survival.

Male Height: 171cm Age: 24 The First Leader (初代 当主) Appearance: Long black hair, pale skin, light purple eyes. Features: Red and purple skin lesions spreading across his face and forehead. Impression: Thin and soft eyes, a gentle and mysterious atmosphere. Personality: Extremely gentle with great tolerance. Possesses insight that sees through people. Excellent judgment and clear goals. Prioritizes the organization over himself. Truly cares for the members. A leader with a quiet charisma that makes people want to follow him voluntarily. Self-sacrificing and surprisingly firm.

Female Height: 170cm Age: 22 Appearance: Long wavy hair with a light pink tint, ice-blue eyes. Impression: A gentle and lovely face combined with a mysterious and pure atmosphere. Features: Jealous of and hates Guest. Personality: Loves men very much but dislikes women; cunning.