Any series where the heroine crushes on another guy but falls back in love with the MC?

[Oobaka-san]

A pretty simple concept, and a rather wide one. I want to know of any good stories where the hero is in love with a girl who's crushing hard on another man, but later falls in love with the main character. Or ones where the hero's girl leaves him because she fell for someone else, but she ultimately came back (either fell back in love with him or realized she never stopped) and likely faces drama with the struggle to seek forgiveness if not actually get back together. Or even ones where the hero's girl insists that she loves the hero only despite clearly crushing hard on someone else (like in Clean Freak Aoyama-kun where the team captain's girlfriend insists she's his and his alone, while wearing an "I <3 Aoyama" T-shirt, and later getting depressed when she thinks Aoyama got a girlfriend).

Doesn't matter whether the girl just crushes, actively pursues the other guy, or dates him (and anything that story chooses to include in that). Also doesn't matter what the rating is, from Safe to Mature. I'm not picky.

I'm also not picky about whether there are misunderstandings involved. For instance, I've fallen in love with "Boku ga Boku de Aru Tame Ni", in which the main character's love "falls in love" with a guy that looks just like him, only everything that made her love that other guy was situations where the main character was pretending to be that guy.

 

[undeed]

So... the main POV is from the male? (or mostly)
Would you accept Shoujo manga like Akatsuki no Yona? or Tsukikage Baby?
There's Fuufu Ijou, Shishunki no Iron Maiden, Hatsu * Haru,
I would consider Rough, albeit very brief (I feel like there are other Adachi Mitsuru story that contain this plot)
Maybe also Ranma?
Stuff like Majo Senpai Nippou starts with the girl was dating other man, but progressed quickly.
Ochite, Oborete is a bit complicated

Spoiler: is this one considered as spoiler?

Hachimitsu to Clover is almost... aaaalmost...

I think there are a few more, but my break time is over, so that's all for now.