A young woman uses her sexual prowess to earn money from her affluent foster stepfamily while in college

Our young protagonist, a college student staying with her affluent foster stepfamily, is faced with a dilemma. She's running low on cash, and her stepfamily's wealth has always been a bit of a sore subject. However, she's crafty and resourceful, and she decides to use her sexual prowess to earn some extra money. She approaches her stepbrother, a well-endowed man with a taste for the risqué, and proposes a trade - sex for cash. He's intrigued and agrees. The scene unfolds with her skillfully taking him in her mouth, before they move on to a passionate encounter. The action heats up as she spreads herself wide for him, and they explore various positions, including doggy style and bent over. The climax comes in the form of a steamy lesbian encounter between her and her stepfather's sister, who joins in for a wild three-way. The exchange leaves everyone satisfied, and our heroine walks away with a bit more cash in her pocket.