As he disintegrates, Rui realizes his parents actually intended to die with him out of love. Tanjiro, sensing his grief, shows mercy by placing a hand on his back. In the afterlife, Rui reunites with his parents, who promise to stay with him even in hell. Conflict Within the Corps
The episode opens with the final moments of Rui, the Lower Rank Five demon.
During their standoff, Shinobu famously teases Giyu, stating that nobody likes him—a moment fans often cite as a series highlight. Kimetsu no Yaiba Episode 21
Rui was born with a frail body that left him unable to walk or go outside. Muzan Kibutsuji appeared and "saved" him by turning him into a demon, giving him a powerful body at the cost of consuming humans.
The conflict is halted by a Kasugai Crow delivering orders to take Tanjiro and Nezuko into custody. As he disintegrates, Rui realizes his parents actually
While Giyu holds Shinobu in a headlock, Kanao Tsuyuri pursues the siblings. Nezuko avoids her slashes by shrinking into a smaller, "adorable" form to escape. Aftermath and Cliffhanger
The arrival of the Hashira shifts the focus to the Demon Slayer Corps rules regarding Tanjiro and Nezuko. Conflict Within the Corps The episode opens with
The rest of the team—Inosuke and Zenitsu—are rescued and sent for treatment at the Butterfly Mansion.