Kimetsu No Yaiba Episode 21 -

During their standoff, Shinobu famously teases Giyu, stating that nobody likes him—a moment fans often cite as a series highlight.

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 conflict is halted by a Kasugai Crow delivering orders to take Tanjiro and Nezuko into custody. Kimetsu no Yaiba Episode 21

The rest of the team—Inosuke and Zenitsu—are rescued and sent for treatment at the Butterfly Mansion.

, titled "Against Corps Rules," serves as the emotional conclusion to the Natagumo Mountain Arc, balancing a tragic villain backstory with high-stakes tension between the Hashira . Rui’s Tragic Backstory During their standoff, Shinobu famously teases Giyu, stating

The arrival of the Hashira shifts the focus to the Demon Slayer Corps rules regarding Tanjiro and Nezuko.

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. Aftermath and Cliffhanger The conflict is halted by

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