Spoilers to Save the Sky

Spoilers are an elegant and exquisite art, the crystallization of human wisdom. The protagonist who regards spoilers as the highest art suddenly realizes one day that the world has changed. The space station on the wandering earth did not explode. The professor in Hachiko, the loyal dog, grew old together with the Shiba Inu. There are no more prisoners in Conan, the Titanic never sinks, and Spider-Man's uncle never dies. The protagonist loses the joy of spoilers and gains a system out of despair. The system told him that the world lines of the heavens were being disrupted and the planes would collapse. Not to save all mankind, but just to regain the joy of spoiling, the protagonist embarks on a journey to save all mankind...