First day at gym leads to intense encounter with stepsister

Young lad enrolls in the gym, eager to bulk up and impress his stepsister. As he's warming up, she walks in, revealing her tight, toned body. Intrigued, he strikes up a conversation, but she's quick to shut him down. Days pass, and he's not improving, until she offers to help him out. She guides him through each move, her body pressed against his, igniting a fiery desire. The line between sister and lover blurs as they give in to their primal urges. The workout transforms into a steamy session of intense passion. The taboo encounter leaves them both breathless, yet satisfied. This is a true family affair, filled with raw, unfiltered pleasure.