Well it’s actually not yaoi, it only involves gay characters. Anyways, this is really good (almost too short). Gay dad who discovers his only son is also gay.
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.
Shingeki no Kyojin