Cleopatra's feed

so Im an ignorant little bird and please excuse me for that, I read the first 2 chapters a while ago and felt like this manga wasn't for me, but with so few shoujo getting adapted I jumped at the chance to watch this.

So many ppl whose taste I respect love this manga but I honestly don't get it!! The man is a bunch of red flags in a trench coat!! What do you mean he has a shrine about her?!?!? Curtain's blue too, feels like Bluebeard's room or something! I'm not one to nitpick about "problematic" things but he clearly is lovebombing her and is showing some disturbing behaviour!! I do not get how this isn't just an evolution of the "he's a prick but I can fix him" trope that old misogynist shoujo manga had, but this time he's like a yandere!

This series was recommended to me as realistic and nuanced with wonderful characters who go through immense character development, but isnt this just romanticising excusing people's actions that push your boundaries as long as you "make them change through love"?

I am not dropping this anime for now and wanted to read the series too, but I'm just baffled here. What am I missing? Does it get better fast? Cause his behavior really gives me goosebumps all the time! Help!!! Please give me some soft spoiler hints!!(/TДT)/