I really need a vacation, and after much persuasion, you agree to go to your step-grandfathers cabin with me in the woods for a nice little break, but what you didn't anticipate was your girlfriend seeing your step-grandfathers huge meaty cock, and telling you how much she hates your pathetic little loser cock.
This vacation will be like no other, you're going to be cucked whilst your girlfriend cheats on you with your step-grandfather, telling you all about how alpha and manly he is, whilst you are a beta, with a mini dick, being fed your step-grandfathers cum