Li Yue, a person who finally got into college, was the unlucky guy who was taken away by his dog before he could enjoy a better life.
Maybe God is still kind enough to live a good life, so he traveled through time. It's not ancient times, nor interstellar, but an embarrassing era, so he was taken to participate in the competition before he could figure out the situation.
As for what kind of competition it is, you won't know until you arrive at the scene that this is an escape competition!
Concept: Some things don't need to be perfect