My step-sister's seductive moves left me unable to control my ejaculation

A horny teen visits his stepsister, unaware of her naughty intentions. Despite his attempts to resist, her seductive moves leave him helpless. When she straddles him, her tight pussy drives him wild, causing him to climax inside her. Shocked and embarrassed, he rushes out, only to be confronted by his stepbrother, who teases him about his weak performance.