Zach Cummings is Ryan Keely’s foster son, who had always been mommy’s favorite up until she decided to adopt Hannah Grace, Zach’s new younger sister. Zach is unusually attracted to her, so when Ryan found him flirting with Hannah, she decided to sit both siblings down and give them a good lesson in sex education.

Tags: fostertapes, blonde, milf, big tits, stepsister, ryan keely, hannah grace