Normal version
During his lifetime, Du Ziteng was a rich second generation who was well protected by his parents. Until his parents were killed in a plane crash by greedy relatives, he was accidentally bound to a system called 1225. From then on, he lived a life of completing tasks in various worlds in order to return to the original world for revenge.
Concise version
In fact, it is a story disguised as a revenge novel, in which Xiao Gong is chased by all kinds of slap-in-the-face villains to show their affection╮(╯▽╰)╭