Spicy just because of the tramatic histories and size difference with sex scenes. Otherwise this really is a sweet and wholesome story of two monsters to find each other and learn what it means to have companionship.
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.
Oretachi Namamono Desu