Thirty Years of Origin and Three Lives

After thirty reincarnations restarted, she fell into the apocalypse where zombies were rampant, a strange world shrouded in fog, and a wild beast world where ferocious beasts were everywhere. Danger follows you everywhere, alien beasts are approaching every step of the way, and weirdness is everywhere. He was the only one who traveled across three worlds to find her, sealed his love with a kiss, and stayed with her with his life. Thirty years of origin, three lives in the end. In the doomsday of despair and collapse, they become each other's only salvation.