This is basically like: 1) Take a bunch of people and give them crushes 2) Make some of them end up unrequited while others get together (Also do fake dating bc why not) 3) Repeat it all
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.
Kimi Wa Petto