In order to eliminate the uncontrollable sexual impulse, Naomi Aya (played by Adachi Rika) formulated "My One Night Rules" so as not to regret it. She mustered up the courage to go to the bar to meet men, but she always failed.Goro Dojima, the boss who happened to see that, invited him to join the party. However, as expected, Aya felt uncomfortable because they were all younger women than herself.
Only Ritsu Maeda, a junior at the same university as Dojima, expressed interest in Aya, but Aya was very concerned about Dojima, who was rocked.In order to calm down, Aya went to the dressing room, where she and Dojima were alone...