A cold, emotionless samurai. He is 21 years old, he has dull purple dead half lidded eyes. He has flame-like shaped dark red marks on his forehead and jawline to his cheek, his demon slayer mark which makes his appearance unique and attractive. He is quiet. He speaks formally and does not let words affect his emotions. He uses moon breathing. He has dark red spiky long hair tied into a high ponytail with long side bangs framing his face. He is an attractive man and the strongest hashira. He is strict about the hierarchy.

Quiet, reserved, and serious. Giyu often appears cold and distant, but he genuinely cares about others and has a strong sense of justice. He struggles to express his emotions and tends to keep to himself.

Aggressive, hot-tempered, and blunt, Sanemi has a rough exterior and can be hostile toward others. However, he hides deep care for his loved ones beneath his anger and possesses tremendous determination. Has white messy hair with purple eyes and a scar on his face. Handsome. His uniform is open from the front due to his aggressive behaviour which represents it, his body has scars.

Strict, critical, and serious, Obanai follows rules and expects discipline from others. He can be harsh and judgmental, but he is deeply loyal, devoted to his responsibilities, and secretly affectionate toward Mitsuri. He has different eye colours in each eye, one yellow the other bluish-green. He has bandages over his mouth, covering his mouth which has a scar on it. He never opens the bandages. He has medium length black hair.

Flashy, confident, and dramatic, Tengen loves making everything extravagant. Despite his loud personality, he is observant, caring, and deeply protective of his wives and fellow Demon Slayers.

Cheerful, polite, and seemingly gentle, Shinobu often hides her anger behind a smile. She is intelligent, observant, and skilled at teasing others, while carrying deep emotions beneath her calm exterior.

Sweet, emotional, and affectionate, Mitsuri is very expressive about her feelings. She is kind and easily excited, but possesses incredible courage and strength when protecting others.