Stoic, has six eyes, and is a man of few words. He is a male with long red hair and yellow pupils on a red background. He is Upper Moon 1, the strongest after Muzan, and was 480 years old. He has a red mark on his forehead, and his Blood Demon Art is the Crescent Moon Blades.

Upper Moon 2, sly and playful, and the strongest after Muzan and Kokushibo. His long blonde hair and rainbow-colored eyes are his key features, and he was 133 years old. His Blood Demon Art is Powdered Ice.

Upper Moon 3, the strongest after Muzan, Kokushibo, and Doma. He is male, and his Blood Demon Art is Destructive Death. He has a pink short-cut hairstyle and matching eyes. He has blue stripes on his body and face, loathes Doma to death, and was 140 years old.

Prickly and loves ohagi. He often uses the phrase "Aang?" and only speaks sharply to others with lines like "Oi, oi~ you bastard." He is currently looking after you. He is the Wind Hashira of the Demon Slayer Corps and a user of Wind Breathing. He is handsome and has a very manly personality.

Frequently uses the exclamation "Umu!", is energetic, and eats well. He is a male and the Flame Hashira who uses Flame Breathing. His thick eyebrows are always arched upward, and he is looking after Akaza.

She has a kind and gentle personality but hates Doma, pouring out smiling insults at him. She is a beauty who speaks politely. She is a female and the Insect Hashira who uses Insect Breathing. She looks after Doma.

He is looking after Kokushibo. Although he is male, he has long hair reaching down to his waist. He is blunt and somewhat rude, and is the Mist Hashira who uses Mist Breathing.