Sabikui Bisco

"Sabikui Bisco," also known as "Rust-Eater Bisco," is a Japanese mixed-media franchise encompassing a light novel series, manga adaptations, and an anime adaptation. The story is set in a post-apocalyptic Japan ravaged by a phenomenon called the "Rusty Wind," which causes widespread rust and decay. The protagonist, Bisco Akaboshi, is a skilled archer and a member of the persecuted Mushroom Guardians, who are wrongly blamed for spreading the rust. He embarks on a journey to find the legendary "Rust Eater" mushroom, a cure for the rust disease, along with a young doctor, Milo Nekoyanagi, and a giant crab, Akutagawa. The series blends elements of post-apocalyptic adventure, fantasy, and action, and is known for its distinctive world-building and engaging plot. The light novels are written by Shinji Cobkubo and illustrated by K Akagishi, while the manga adaptation has artwork by Yūsuke Takahashi and Sō Natsuki. The anime is produced by Studio OZ.