Ariya Michiru is a bright and energetic girl. One day, she gets mistaken for the ex-girlfriend of a young customer named Jūgo. And for some reason, Jūgo starts working at the shop. For Michiru, it was a real nuisance. Amidst the lively work of Mayu, who often gets SM play requests; Yaya, skilled at groper train roleplay; and Chigusa, who looks perfect in nurse outfits, Jūgo secretly aspires to be a saxophonist and diligently practices in private. But Jūgo feels something is missing. Michiru, too, can't bring herself to like Jūgo, who only ever sees her as a replacement for his ex-girlfriend. Yet, Michiru, who thrives vividly amidst the sleaze, and Jūgo, who finds something within that very sleaze, eventually fall in love...