Stepmom discovers her own stepson has the world's biggest cock and she just cannot resist

StepMom is browsing the internet when she discovers the world's biggest cock. She will soon find out it's her own eighteen year old stepson's cock. It keeps growing & growing, getting bigger & bigger! She has the craziest reaction to this humungous cock. Her eyes widen & her mouth drops each time this monster cock grows. Stepson comes in right as she is about to close the page. He sees what she's looking at. He questions her but she denies it. She finally admits it & sees what's hanging in her stepson's pants! It's the same cock she was looking at on the computer! She's in shock. She wants to look but at the same time she doesn't. This is her stepson! She asks how long it is. 15 inches! Stepmom measures it. It keeps getting bigger. She shouldn't have these dirty thoughts. She wants to suck this massive monster meat. She can't resist.