I Was Afraid of the Apocalypse and I Developed a Sneaky Back in Three Months.

Nuclear sewage poured back, sea beasts mutated, and the doomsday came. Han Zheng, who was struggling to survive in the sea of ​​​​blood and corpses, was unexpectedly reborn a year ago and activated the Yakuza system. He knew that there were only three months left before the end. He started exercising crazily every day, and all the relatives and friends around him thought there was something wrong with his head. Three months later. The end is coming. When I saw this young man with a bare upper body and a sinister face on his back, punching out the ten-meter-tall lobster monster that ignored bullets in order to save a little girl, the whole world exploded in an instant!