Protagonist, It's You Again [Book Transmigration]

In other people's eyes, Li Cheng'an is a playboy who changes girlfriends like clothes. He can go through three to five girlfriends in a single day without batting an eye. But who knows that he's just a guy with a whole stack of cuckold hats on his head? His archenemy steals his girlfriends every time, then rubs it in his face. One day, he transmigrates into a novel as the villain and sees the protagonist, who looks exactly like his archenemy. Heh. Kid, it's your face that's to blame. If I don't sleep with every woman in your future harem, then I'll... No, you'll take my last name! Target: Harem member number one! The next morning: Why are you in my bed, protagonist?! Target: Harem member number two!! The next morning: Why is it you again, protagonist?! Target: Harem members number three, four, and N!!! The next morning: Protagonist, please let me go! My kidneys are failing, ahhhhh! If you don't like it, please click the X. Don't attack me personally or make things difficult for each other. Let's all get along. No outline, no saved chapters, and no regular updates. No logic, no literary skill. This is a beginner's story, and I make it all up as I go, so don't take it too seriously. No unsolicited writing advice. Theme: Rather than being afraid of this and that, find the courage to change everything.