Just an ordinary day at the Mystery Shack, until one accident changed the twins' thoughts about eachother.
Contains some smut - NSFW - and Pinecest, if you don't like that kind of thing then go away :3
Is mabel or dipper going to masterbate cuz that would be amazing and then one looking at them
Did he just..?
Actually cum while pretending to have sex with his sleeping sister?
This is so beautiful.. Now this is what I call a good pinecest