Her best friend decided to bang her stepbrother and when she saw his amazing package

When her best friend got to her house so she can help her study for the upcoming test, they heard their stepbrother making strange sounds so she decided to go check it out. She found him masturbating in the bathroom and she got quite upset and told her friend about it. However her friend actually got turned on by that and she invited him to join them and eventually she sucked his cock, she decided to join the party