MC is either: - In an unrequited love - In a relationship (or ex relationship) with a toxic love interest - Still in love with an ex (dead or alive) BUT ends up with a different male lead.
(I excluded/didn't label: unrequited love for the male lead, toxic relationship with the male lead, past abuse but not in a relationship or by the male lead)
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Doronuma