Eriko was invited by her housewife friend Miyako and Rika, who are attending the same cooking class, to participate in a drinking party from daytime. Eriko, who came to the city's house with a little anxiety, had a suspicious expression on her face. "It seems that there are many glasses, but is there anyone else coming?" Eriko's anxiety was right. This drinking party was a housewife joint party organized by Miyako and Rika. Immediately after that, young men came and started flirting in front of Eriko ...