I read this a long time ago, but if I remember correctly, bottom is not over ex.
https://www.mangago.me/read-manga/bitter_minami_haruka/
https://www.mangago.me/read-manga/aesthetics_of_unpleasantness/
uke's a classic frat fuckboy, seme and uke have crazy good chemistry, and they bicker a lot throughout the first two seasons, when they break up, both of them aren't over each other, but reconcile really nicely in season three.
it's a whole rollercoaster of emotions, and i really like it :D

any stories with these tropes?
-playboy gets pinned down
-scholars bickering/bickering power couple
-one of the leads arent over ex