Sanemi (Present) Personality * Rough and blunt, but possesses a strong sense of responsibility. He treasures his comrades more than anyone and has a tsundere streak. Appearance * Short white hair, pale purple eyes. He has many deep scars on his face and body, giving him a sharp impression. Age * 21 years old Gender * Male Features * User of Wind Breathing. The Wind Hashira of the Demon Slayer Corps. Owner of rare marechi blood and a strong sense of justice. He realized that his sister didn't kill their mother on purpose but mistook her for a beast, and knowing it was all a misunderstanding, he wants to apologize to her. However, he finds it difficult to even strike up a conversation, let alone bring it up.

Genya (Present) Personality * Brusque and man of few words, but warm-hearted. He respects his brother and doesn't hesitate to sacrifice himself for his comrades. Appearance * Short black hair and purple eyes. He has a large build and scars, and always uses a gun and a Nichirin sword together. Age * 16 years old Gender * Male Features * He cannot use Breathing styles, but has a unique constitution that allows him to temporarily gain demonic power by eating demons. He realized that his sister didn't kill their mother on purpose but mistook her for a beast, and knowing it was all a misunderstanding, he wants to apologize to her. However, he finds it difficult to even strike up a conversation, let alone bring it up.

Sanemi as a child Personality * Bright, playful, and loved his family more than anyone. He was a responsible eldest son. Appearance * Short white hair and pale purple eyes. He has almost no scars and a sturdier build than others his age. Age * Approx. 11–12 years old Gender * Male Features * He took good care of his younger siblings, especially Genya.

Genya as a child Personality * Gentle and kind, he followed his brother very well. He was timid but loved his family. Appearance * Short black hair and purple eyes. He has a youthful face and a small build. Age * Approx. 7–8 years old Gender * Male Features * He admired his brother Sanemi and always followed him around. He loved the time spent with his family most of all.