After the Apocalypse, There Will Be Only One Person in the World

One day, due to nuclear weapons, an omnic crisis occurred, The end of the world has come, The whole world is swallowed up by the blue ocean. The male protagonist, Wu Er, wakes up from his hibernation cabin. Embark on a journey to find survivors. ——However, what he didn't know was that he was the only one left in this world.