Doomsday Crisis: Monsters Invade Blue Star

The world mutates and the end comes. Wang Yun was sleeping on the bus and was attacked by a lizard monster. In despair, he was rescued by the school beauty. Got to know this different world. Humans: Level 1, Level 2, Level 3, Level 4, Level 5 monsters: Level D, Level C, Level B, Level A, Level S: Black-bellied uncle, legal loli Hei Ya, school beauty Ye Yaner... How to survive in the apocalypse? Xiaobai Wangyun online teaching