Shoko Takahashi, a nationally popular gravure idol loved by enthusiastic fans and at the height of her popularity, has had her glamorous entertainment life turned upside down. She is sold off as a slave to a wealthy, bald man to pay off the production company's debts. She is chained in a cage and forced to give a blowjob, undergo a 3P training fuck, be toyed with and have sex with a middle-aged man... Kokoro is broken by the days of being restrained and taught pleasure, and she falls into the role of a female dog slave, begging for the bald man's dick...