High Schooler in the Apocalypse

Zhu Haoge's second year of high school takes a deadly turn when he witnesses a murder during evening study hall. The very next day, the world ends. As chaos erupts and civilization crumbles, he's just a teenage student thrust into a nightmare—but wait, there's supposed to be a cheat system to help him survive! Instead, all he gets is a mysterious little box that seems more interested in causing trouble than saving his life. Can an ordinary high schooler navigate the apocalypse when his golden finger refuses to cooperate?