Step sister unknowingly performs oral sex on me while blindfolded and swallows my semen

In a game of deception, I blindfolded my step sister, instructing her to suck my dick. Unbeknownst to her, I enlisted my best friend to join in, and he recorded the entire encounter. The video captured her surprise and pleasure as she eagerly took in my manhood, and the climactic moment when she swallowed my cum.