[Seeking Recs] Looking for recommendations for this SPECIFIC trope that i’m into, i’m open to ANY forms of media (blmanwha, thaibl, anime, physical books, fanfics)

Hi!! So I’ve recently discovered this trope that I am super duper into—where he hates everyone but her. It’s not like something new and it DOES NOT have to be a her. In fact, I love bls. But the main appeal to the trope is when the main love interest or interests (yes, plural 👀) are unhinged, but they soften for their partner. Like I recently read a fic where it was WilliamxAlternateUniverseMarks and it was amazing. It was a harem style and they were all unhinged, but they all FOLDED the second Mark was involved. Another special thing about the fic was that Will would bribe the with kisses so that they would behave, just showing how whipped the unhinged character(s) can be for their love interest. I would genuinely appreciate if anyone had any recommendations for ANYTHING that fits this criteria of crazy guy who is whipped and swoons for ONLY his love interest and could care less about anyone else, I would love!! I also have a picture or the fic I mentioned in case anyone wants to read it!! Some specific ships/things that I’m into are byler, hollanov, itafushi, invincible obvi lol, narusasu, demon slayer, and i’m open to pretty much anything!! Thank you!!