Liu Mang unfortunately died suddenly while working overtime, and traveled to an isolated island in another world. Just when he was about to start surviving in the wilderness, the system awakened! What the heck, go through it! Swordsman, Red Eyes, Sekiro, Naruto, Fete, several worlds passed, and Liu Mang finally had the power to leave this island. But when he returned to human society, he found that something was wrong with this world. An unknown virus spread around the world, and humans died on a large scale. , wild beasts grow crazily, and under the threat of viruses and monsters, human civilization is in danger! What can he do?