Doomsday.Siege Survival

After Cheng Hai picked up an unknown crystal, he was suddenly struck by lightning six years later.It was an era of loss of freedom.The towering walls blocked the city's sea, land and air, and all residents' brains were implanted with unknown crystals. Only by fighting monsters and upgrading can they survive.Thus, Cheng Hai, who was underage, and his childhood sweetheart Wei Fan, who was an adult, struggled to survive in the end-of-the-world game.He who came from the past has become the last hope of his companions! "To survive! For the sake of those who have passed away and those who will be in the future, we must end this game!" Content label: Future Overhead End Times Time Travel System ┃ Search Keywords: Protagonist: Cheng Hai, Wei Fan ┃ Supporting role: Qiang Zi, Ah pregnancy