Choose a New Doomsday a Month

Protagonist and villain Time travel, system, doomsday. Boring ordinary world, if nothing happens, I will bring the doomsday. 1. Zombie apocalypse. A zombie virus appears in the world, and the host is immune to the zombie virus. 2. The end of the virus. A deadly virus appears in the world, and the host is immune to the deadly virus. 3. Turn on option 3 after selecting it for the second time. 4. Option 4 is turned on after the fifth selection. The world is getting interesting. Will you regret it when the end comes? Not at all! Anyway, wearing it has no identity, so get restless! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.