Step-Mom Accidently Falls on my Dick while Doing Chores

Description: My step-mom offers to clean my room for me since i am too busy studying, and i can't help jacking off to her bending over in front of me ostentaciously. all of a sudden, she trips and falls on my hard and erect penis, and then she offers to make my hard dick go away as long as i don't mention this to anyone.