In high school, Zhou Yu was regarded as a "waste" by everyone. His grades were at the bottom and he was often humiliated by his classmates. Even his crush on the goddess looked down upon him. An unforgettable stimulus made him make a life-changing decision on a rainy night - accepting the invitation of a mysterious old ghost to go to the overseas "Purgatory Island" to receive special training from the devil.
On an isolated island, he experienced unimaginable hardships: a fifty-lap long-distance race around the island, a life-and-death fighting class, and a cunning survival challenge...
