It has to be interesting, and smutty (not taking away from storyline) with well developed entertaining characters and anatomically possible sex scenes. Also I hate Omegas that look like they'll break. like creepy ugly baby birds. i.e. the "ugliest omega award" goes to, what's his name from Origin of Species.
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.
Romance, But Not Romantic