Alex, an 18-year-old, couldn't believe his luck. His cute, teenage stepsister, Lily, had snuck into his room one night, clearly ready for something more than just a sibling relationship. She straddled him, her small but perky breasts pressed against his chest as she gazed into his eyes with desire. She reached down to unbuckle his belt, freeing his already hard cock from his pajama pants. With a seductive grin, she lowered herself onto it, moaning softly as she took him inside her tight, virgin pussy. It was an intense experience for both of them; every time she slammed down on him, she let out a muffled squeal of pleasure that made him even harder. Their bodies moved together in a rhythmic dance of lust until finally, Alex couldn't hold back any longer and let out a primal growl as he released his seed deep inside her.