maybe he lubed his butt before going over to the house.
that or it's the magic of manga.
Let's just say it's....
YAOI LOGIC! :D
Or yaoi butts
He's used to it now and seme is covered in saliva. Works well enough.
Those self-lubricating yaoi butts
That sounds like a deluxe feature.
LMAO too true
How tf can they do it without any preparation? Not even using lube. This isn't omegaverse smh