I have a thing for mouths/tongues so I find certain panels really sexy it's not always ahegao, sometimes it's just characters licking their lips seductively
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.
BDSM
basically panels with sex toys, pleasure from pain, sexy clothing (harnesses, chokers, etc)