After a long day at school, sneaking a peek at her stepbrother's secret stash of porn had been on Mia's mind. She tiptoed to the bathroom, eager to catch him in the act. As she neared the door, she heard the shower running. Her heart pounded with anticipation as she pushed it open slowly, revealing Marcus naked and exposed.
"Uh-oh," he gasped, his eyes widening with fear. "You shouldn't be seeing this, Mia. It's not right."
"But it's so hot!" she responded, her voice trembling. "I've always been curious about you."
Her words sent a wave of arousal through him. His step-sister's confession made him even more hard. "This isn't some cheap thrill, Mia. We could save on energy costs by turning off the lights when we leave the room.
