Young sis joins in on threesome with 18yo and her friend

A naughty 18-year-old decides to invite her best friend over for a steamy threesome with her younger sis. The plan is to teach the young girl about the joys of sex while also satisfying their own desires. The two guys eagerly oblige, indulging in some hot and heavy action with the young girl. However, things take an unexpected turn when the young girl's father unexpectedly walks in on the scene. The father, a pervert with a love for young girls, joins in the fun, turning the threesome into a wild and hardcore foursome. The young girl, now caught in the middle of a forbidden encounter, tries her best to play along while also trying to protect her sister from the perverted father. The guys, now fully satisfied with their wild encounter, leave the young girl and her sister alone, leaving behind a trail of satisfaction and a promise of another wild night.