After losing her husband, Ryouko throws herself into running the company, turning to masturbation as a way to relieve stress. The executive vice president, who has worked at the company for twenty years, resents Ryouko for being a mid-career hire and quickly takes a dislike to her. One day, he bribes Takahashi, a client, to rape Ryouko. Several days later, the company secures a major deal with a large corporation, and a lavish celebration party is held. There, Ryouko discovers that the rape by Takahashi was actually orchestrated by the executive vice president, leaving her trembling in shock and disbelief. In that instant, the executive grabs her arm and pulls her close. One by one, the employees begin ravishing Ryouko's mature, voluptuous body.