A year after that day when she spent the worst night after being given an aphrodisiac on a local business trip with her worst ex-boyfriend "Yoshino"... Miyajima married her colleague Akagi. However, Miyajima, who had become addicted to the pleasure of the aphrodisiac since then, continued to have a double affair with Yoshino in secret from her husband... And then, an unexpected, shocking climax of cum sex shared room ntr...