There's actually no particular concept of person being uke or seme..... it's just pure love and they (can) switch depending on their mood. It's just me, the guy i thought likely to be the seme..... went bottomed
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.
Bouzu to Kumo