Crisis Agent

High school student Han Lifeng likes to live an ordinary life, doing things he likes, and wants to live an ordinary life like this. But things changed when school started. The Guardian spacecraft crashed into the school he was about to attend, and the life he originally expected was ruined. In the end, he grew up and embarked on the path of an agent. In the crisis-ridden spaceship exploration, at what cost did he survive, and where did he go from here?