Watch the Theory of Sex come to life with a lazy workout
Theory of sex meets physical training in the 4th day of Gpp challenge
Watch Julia V. Earth compete in a Gpp challenge to build her body for sex
Watch Julia v earth's skinny face get trained in the art of sex
The Theory of Sex meets the physical demands in this Gpp challenge video
Closeup of Julia v earth's face in fitness training: A workout for the eyes
Alex vs. earth: The ultimate blowjob challenge with Saliva and Spitting
Experience ultimate pleasure with Julia von Brunn's scientific study of basic vaginal sex
Julia V Earth's workout continues with another day of face fitness
Study the basics of vaginal sex with JVE Research's safe-for-work video
Julia V Earth's hilarious workout routine for face muscle training and breast exposure
Experience the benefits of nude yoga for better sex, according to the theory of a sex club
Day 19: Julia V's athletic facial workout for a muscular body
Julia V. Earth gives Alex V. Earth a mind-blowing oral sex in a US-made video
Julia V Earth's 15th day of gpp training before returning to regular routine
Week 5 Part 2: Mastering VR dance workout for a full body workout