(The male protagonist is crazy + sadistic + substitute literature + childhood sweetheart)
"No, how can you kiss me after eating Malatang?"
Liu Pingyi was defeated by this Malatang princess in his life.
"You want me to be responsible? How is that possible?"
"If you are not responsible, then I will find a substitute."
"Brother, I asked you to find someone else, so why are you looking for my college roommate!"
The hero's strategy for capturing the heroine is probably a pirated copy.
"I'm really convinced. You're crazy, and you're just crazy about what others say."