After Xu Zhi dies in a car crash while running away from his arranged marriage, he encounters System 04399. The System tells him that if he can go from cannon fodder to male lead, he'll be able to survive.
Xu Zhi is immediately intrigued. It's definitely not because he wants to get revenge on the person who drove onto the sidewalk!
When he arrives in this world and sees someone with the exact same face as his nemesis, he wants to become the male lead even more. Armed with a cannon-fodder script, he works hard to steal the male lead's opportunities, thinking that will earn him good fortune. But he never expects that his fortune will rise and fall along with the male lead's mood.
Xu Zhi works diligently to become the male lead, never imagining that the male lead has long wanted to lock him up and keep him all to himself.
World One: He proudly thinks that as emperor, he can do whatever he wants! But he never expects that in court he's the emperor, while outside it he's a pitiful little thing getting bullied.
A certain sick-in-the-head male lead: “Just be good, and I will always protect the empire for Your Majesty.”
World Two: He's doomed from the start. What should he do when people mock him? What about when they insult him? Xu Zhi finally snaps after enduring all he can. Yet someone secretly gives him fortune points.
World Three: He thinks that now he's a vampire, he must be stronger than the male lead. But the truth is, the other man says, “Master, once you've drunk my blood, you're mine.”
World Four: Sentinel vs. Guide (in progress)
Please forgive the elementary-school-level writing! I couldn't find my manuscript, so I had to write it all from scratch, but I can't quite get back into the mindset I had when I first came up with it.