Gamer sleepover with my friend, alone with her brother

They had always been best friends and they always did things together, their last plan was that sleepover where they planned to stay until dawn playing video games, even though they were adults it was an idea that excited them a lot. The night started normally, between forms and games they were having a good time. However, it happened that her great friend ended up sleeping earlier than planned, she was a little bored and decided to take a look at the rest of the house, with what she found in the living room she was stunned, she watched as her friend's brother took in his hands that big member and did not stop twisting it until he cummed.