Luther, a young orphan, lives a life of abuse and loneliness at the hands of his adoptive guardian, Vivian. In his school routine, he faces constant bullying and despair, until an unexpected event changes everything. A global warning emerges, announcing the merger of a thousand worlds into a single reality and initiating a survival tutorial. Luther and his classmates are thrust into a scenario of chaos and danger, where monstrous creatures hunt them relentlessly.