Super Slim Body Matsumoto Nanae Part 6 is her first full-scale defiance work! Nanae, who is diligently training to compete in the last tournament of her school, finds her well-trained physique being exploited and violated by unscrupulous men. "You want to compete in the tournament, right? Then you understand, don't you...?" Unable to resist, she is forced to deepthroat sweaty penises daily in an endless irrumatio. To complete the added "sexual processing" in her training regimen, she must accept and handle the lustful, beastly men's erections...