If the third dude doesn't penetrate him then it's super barely in, at least his ass belongs only to his seme. Normally I should put it out but because I like the art, If there is no penetration then it's in. I am generous.....
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.
Kuzu de Baka ni wa Nido to Awanai