The ML is a lot like Chaehon (Narye) from A Trace Of Margins but a lot better lol

Narye is still manipulative even if he doesn't hurt uke in modern life. Ido really reflecting

That's what I mean. Both characters did bad things, but one of them is actually reflecting on their actions, while the other is not. They both created terrible memories for the main character, and even in their next lives/ lives were repeated, the main character still remembers the harsh memories the male lead left them.