No Yaiba Episode 21 | Kimetsu

, 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

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 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. , titled "Against Corps Rules," serves as the