Amateur guy helps step-sister with breast enlargement through massage

A young man, with a passion for large breasts, finds himself in a unique situation when his step-sister decides to enhance her assets. He eagerly steps in to assist her, using his hands to massage the silicone into her breasts. As the massage continues, he can't resist the urge to touch her, leading to a steamy encounter. The young man, with an average-sized cock, is ready to explore his step-sister's desires. He unzips his pants and begins to stroke his shaft while his step-sister reciprocates with a sensual blowjob. Her tight, inviting mouth eagerly takes him in, as he moans in pleasure. The young man then takes control, positioning his step-sister on the couch and plunging deep into her. He savors every moment, as he pounds her hard, his big cock stretching her to the limit. After a wild fuck, he releases his hot load, cumming all over her face and into her eager mouth. This amateur encounter showcases a young man's love for big breasts, and a step-sister's willingness to explore her desires.