Eriko is invited by her housewives friends Miyako and Rika who attend the same cooking class, and ends up attending a drinking party during the day. Eriko came to Tokyo's house with a slight anxiety, and she gave a suspicious expression. "It seems like there are a lot of glasses, but will anyone else be there?" Eriko's anxiety was accurate. This drinking party was a housewife mixer event organized by Miyako and Rika. After that, the young men soon arrive and start flirting in front of Eriko's eyes...