https://www.mangago.zone/read-manga/itonaga_kun_no_koi_no_ito/ (seme was a bully)
https://www.mangago.zone/read-manga/oreshika_shiranai_karada/ (seme was a playboy)
https://www.mangago.zone/read-manga/if_you_hate_me_that_much/ ( I HATE THIS ONE, THIS IS MY 145,789,10 REASON WHY I'M A HOMOPHOBE, but this matches what you're looking for, TRIGGER WARNING: r*pe
Punch Drunk Love
Night by the sea
The Most Ordinary Relationship ( really shows how relationships can change people)
Dude what's with your username? Honestly that's lot of hate? Like is it a joke or are u serious? Like it u are serious I hope u experience the same fate you wish upon gays
Like burn homephobes I guess,
any bl where the seme starts off as a red flag (shitty personality) but then he meets the uke and became a green flag plzlzzz i need it so bad thankssjd