One day, Erika, who felt suffocated by her mundane life, loses her cell phone and has a fateful encounter. Erika is attracted to the man who returns the phone, Iwakuma, and goes to the bar where he works as a manager. The bar is a host club, but Iwakuma treats her for free. However, when the owner, Sasagi, finds out about this, Erika, seeing Iwakuma being cornered, tells him that she will pay him back, and ends up working at a sex shop to do so. Little does she know that the whole thing is a trap set up by the men...