Much too long to explain but basically the MC violated the ML when they were younger so the ML now is getting revenge and it’s becoming a complicated and very toxic relationship. Read the comments a lot of them spoil and explain better than me.
I can’t find the link where I did read it but I know that Reverse Thinking is on NovelUpdates and the tittle is Empathy. I don’t know if it’s complete.
I know all the spoil, I did read the novel (not entirely because well I can’t do this) but... why am I still here