Have Countless Safe Houses in the Survival Game

"Please close your eyes when it's dark, and open your eyes if you're a witch." The world changed when I woke up. I was woken up by the system panel that appeared inexplicably, the strange looks from classmates on the street, and the school I couldn't get out of. The whole school is caught up in a strange yet familiar game. After trying his best to win the game, he was surrounded by his former classmates. The world is changing, safe houses are born one after another in the game, and dungeon anchors are opened one by one. A secret about the survival of mankind is gradually revealed.