Yui, the heiress of the Hatano Group, lost her parents and was left with only a vast fortune. Raised as a materialistic person, her personality brought her hatred from the factory manager, who assaulted her and subjected her to forced fellatio. Furthermore, she was betrayed by her secretary, her sole support, and was made to endure the humiliation of a bound threesome. Yui then fell into a state of bondage trance and descended into a world of pleasure.
