Does BJ Alex's side story count? I bet you've read it but it's a really good one and I just wanted to mention it...
I read it already but ty anyway :')
https://www.mangago.me/read-manga/back_to_school/
idk if this fits but it's more of a love triangle thing and there's also a prequel where the other guy comes back but it's short
https://www.mangago.me/read-manga/no_love_zone/
this too but the ex comes back way later
Ty will think about it
Thats okay, ty !!
I want Angst where the ex lover of the ML/Top makes a Comeback Bonus if the the main couple aint together yet but i don't mind if they are either thats also other kinds of yummy ლ(´ڡ`ლ)