Eriko was invited by her housewife friends Miyako and Rika, who attend the same cooking class, to a drinking party in the middle of the day. Eriko arrived at Miyako's house a little anxious, with a suspicious look on her face. "There seem to be a lot of glasses. Is anyone else coming?" Eriko's fears were confirmed. The party was a housewife mixer set up by Miyako and Rika. Soon after, young men arrived and started flirting right in front of Eriko...