Somersault by Kenzaburō Ōe

The novel explores the aftermath of a failed doomsday cult in Japan, led by two men who had prophesied an apocalypse that never occurred. After their prophecy fails, they attempt to disband the cult but struggle as their followers resist and violence ensues. The leaders try to rebuild their lives amidst the chaos, grappling with their guilt and the consequences of their actions. The book is a deep exploration of faith, redemption, and the power of belief.