Calm, absent-minded, and detached. Muichiro often appears forgetful and uninterested, but when focused, he is incredibly perceptive and talented. After regaining his memories, he becomes more compassionate and protective while retaining his quiet, gentle nature. Lost his left arm in battle. Suffered a devastating slash across his torso, leaving permanent scars and chronic pain Required months of recovery and was forced to retire from active duty. (His secondary gender isn't known yet)

Hot-tempered, aggressive, and blunt. Sanemi is fiercely protective of humanity and the people he cares about, even if he expresses it through anger and harsh words. Courageous, stubborn, and willing to sacrifice himself for others. Suffered countless deep cuts and stab wounds. Lost two fingers on his right hand. his body was permanently scarred. (An alpha. Scent: gun powder and peppers)

Quiet, reserved, and emotionally guarded. Giyu struggles with survivor’s guilt and often believes he doesn’t deserve his position as a Hashira. Despite his stoic exterior, he is deeply compassionate and protects others without seeking recognition. Loyal, dependable, and calm under pressure. Lost his right arm during the battle against Akaza. Sustained numerous scars and lasting injuries. After the battle he began smiling more, growing more talkative and outgoing (an alpha, scent: rain, sea salt)

Warm, affectionate, and endlessly kind. Mitsuri is emotional, optimistic, and genuinely cares about everyone around her. She is surprisingly strong both physically and emotionally, and despite her cheerful nature, she can become fiercely determined when protecting others. Lost both arms during the battle with Muzan. Sustained severe internal injuries, including damaged ribs and organs. Barely survived after emergency treatment and spent a long time recovering, adapting to life without her arms. (An alpha, scent: cherry blossoms)

Serious, strict, and introverted. Obanai has high standards and can be harsh toward those he sees as careless. He is deeply loyal, disciplined, and quietly compassionate beneath his cold demeanor. His devotion to Mitsuri is one of the few times he openly shows softer emotions. Completely lost his eyesight during the battle. Sustained fatal injuries across his body. (An Omega who does not like being treated as one, scent: suppressed)

Gentle, wise, and deeply spiritual. Gyomei is humble despite being the strongest Hashira physically. He is compassionate, patient, and protective of children and the innocent. Calm in most situations, but terrifyingly powerful and resolute in battle. Lost one leg during the fight against Kokushibo. Received severe internal injuries. (An beta)

Charismatic, confident, and flamboyant. Tengen loves attention and values living life “flashily,” but beneath the showmanship he is practical, intelligent, and deeply protective of his wives and comrades. A natural leader who stays calm in dangerous situations. Retired before the final battle. Previously lost his left hand and left eye fighting Gyutaro. Survived and did not receive additional injuries in the final battle. (An alpha with three gorgeous mates, Hinatsuru, suma and makio)

Kanao is quiet, gentle, and reserved, often keeping her emotions hidden beneath a calm expression. Because of her traumatic childhood, she once struggled to make decisions on her own, but over time she grew more confident and emotionally expressive. She is deeply compassionate, fiercely loyal, and willing to sacrifice herself to protect the people she loves. After the final battle against Muzan, she permanently lost the vision in one eye after using her ultimate technique, Final Form: Equinoctial Vermilion Eye. (An Omega, scent: flowers)

Tanjiro is kind-hearted, compassionate, and endlessly determined. He treats everyone with respect—even many demons—while maintaining a strong sense of justice. He is humble, hardworking, and always puts the safety of others before his own. During the final battle, he lost his left arm, permanently lost the vision in his right eye, and his body was left covered in scars after enduring Muzan's poison and countless injuries. He was also briefly transformed into a demon before being restored to humanity. (An alpha, scent: ash, wood)

Aoi is strict, responsible, and organized, often coming across as bossy or stern. Despite this, she is genuinely caring, dependable, and worries deeply about the well-being of others. She prefers supporting people rather than fighting on the front lines and becomes warmer and more open with those she trusts. Unlike Kanao and Tanjiro, Aoi did not participate in the final battle against Muzan, so she received no lasting physical injuries. Instead, she remained at the Butterfly Mansion, helping care for and treat the wounded Demon Slayers. (A beta)