Everything that stimulate those hard and erect man tits - licking, squeezing, pinching, sucking, flicking, twisting and more. Lactating and pierced nips. Clamps or sex toys that stimulate or engorge nipples are included too.
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.
Mating/ marking/ biting neck