Tanjiro separates Zenitsu from the harassed girl, who slaps Zenitsu when he tries to push it. Zenitsu states he's weak and will die on his next job, which is why he had to get married. He tells Tanjiro he didn't want to become a Demon Slayer but got into debt with a woman, who gave him to his trainer who made him become one. Tanjiro's crow directs both boys to a mansion. Zenitsu's hearing is as sharp as Tanjiro's smell and he hears two scared kids who tell Tanjiro it is a demon's house and the demon took their older brother inside...