Survival in the Apocalypse

After experiencing countless time travels. I finally returned to my own home. But I didn't expect that it would take less than a year. The system is here. He told me that the end of my life has come. I bought it, an unprecedented tank. Secrets of the Mayans. The disappearance of the Maya. What does it have to do with this apocalypse? How will my companions and I survive? Pay attention! This is pure fabrication. Don't be misled by this Mayan. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.