Yesss lovely complex!
http://www.mangago.me/read-manga/strobe_edge/
http://www.mangago.me/read-manga/our_relationship_is/?Dj18
http://www.mangago.me/read-manga/otona_najimi/ (This is also by Aya Nakahara. It's ongoing and hasn't gotten there yet but I think It's headed there haha, you're better off waiting a decade till it's completed)
http://www.mangago.me/read-manga/boku_ni_hana_no_melancholy/ (this one at one point, but you end up loving their relationship!)
http://www.mangago.me/read-manga/kanchigai_musume_to_buchigire_ouji/ (I think the first story is kinda like this? and so is the last one I'm pretty sure)

Does anyone know a shoujo manga where the female lead tells male lead she's tired of loving him and then he's all like 'Σ(゜゜)' and then he tries to get her back??? Idk how to explain it but lovely complex is a great example