A gravity falls sex comic in which Dipper is in the middle of the forest doing a Jacking off. He always went alone to the forest with his porn magazine and began to masturbate eagerly. He liked to enjoy the feeling he had when he came.
One day he was masturbating when his sister Mabel went behind him to see what he was doing. There he caught it and began to laugh, Dipper became nervous and tried to hide it, but his sister knew exactly what he was doing.
She told him that he wanted to see his brother’s cock again. Dipper was surprised and told him that it was very strange, she kept insisting. The young man told him that in that case she had to show her her pussy too. Mabel accepted and undressed, at that moment Dipper threw himself to lick his sister’s sweet pussy. She began to feel immense pleasure and became horny, asking her to please put her penis inside her pussy.
The two brothers began to fuck wildly, their cries of pleasure were heard throughout the forest. Dipper’s semen filled her sister’s pussy, they were both satisfied. But soon Mabel put herself in a position she had seen in one of her brother’s magazines, and the two began to fuck again.
From that moment the two brothers forged a sexual relationship of incest and that they were going to keep secret forever.