Demon Slayer: I Returned From Hell, Filled With Malice

"Big brother, can you come home early today? I want some of the town's three-colored rice dumplings." Those words, full of innocent hope, played over and over in Iwasaki Ritsu's mind. Every time, they ended with his little sister, Ruka, dying beneath a demon's claws. The first time, he witnessed Muzan Kibutsuji's cruelty with his own eyes, and was torn apart as easily as an ant. The second time, he fled desperately with his sister, only to encounter demons again at Mount Sagiri. He could only watch as Ruka was devoured. The helplessness and despair drove him completely mad. That searing pain transformed him from an ordinary woodcutter into a demon hunter born for revenge. He memorized every demon's attack patterns and anticipated every trap. Through endless cycles of death, he honed his body and mind until he had forged combat instincts and intelligence beyond those of ordinary people.