[Crazy Male Protagonist + Mental Hospital + Cthulhu God-Slayer + Urban High Martial Arts] The madman Gu Yuan, who was imprisoned in a mental hospital for three years, is actually the God-Slayer who returned from the world of Cthulhu! When something strange comes and panics the whole world, only he can use his indescribable power to crush the believers of the ancient gods, kill all the monsters in the abyss, and protect the entire human race!
