Must be this? -
https://www.mangago.zone/read-manga/almond_o_nanatsubu/
I think I've read this before, but in my mind I think that the art style of the one I'm looking for was a lot newer than this type of old style
I haven't read this, but it looks good so I'll add it to my list but unfortunately not what I'm looking for ╥﹏╥
Is it this one?
https://www.mangago.zone/read-manga/one_side_in_room/
I can't remember most of what happened but I do remember that the top was just pretending to like the bottom and was actually still sleeping with other people. It was similar to this https://www.mangago.zone/read-manga/hina_wa_mitsuiro_no_koi_ni_torawareru/