THE PLANET'S MOST POPULAR MASTURBATION CHALLENGE SERIES OF ALL TIME!

Welcome to the Masters Marathon: king of all masturbation challenges, the most serious jerk off instruction series of them all. Welcome to the big leagues. This is your ultimate challenge, your very destiny. Oh, you may have attempted your preferred editions of the High-Speed Masturbation Marathon, and there will be more to test your stamina in unexpected and new ways. Now, there is a whole new marathon series to take you to the next level, a masturbation marathon of the very kinkiest, the frustratingly lengthie... Show more