Mizuki, whose nightlife with her husband isn't going well, seeks advice from her neighbor and best friend Konomi to alleviate her sexual frustration. However, seeing Konomi getting intimate with her younger husband Satoshi makes Mizuki even more restless. One day, while hanging laundry on the neighboring balcony, Mizuki becomes aroused by Satoshi's muscular body and performs intense self-pleasure in front of him as a seduction. Excited by this lewd display different from his wife's, Satoshi can't help but frequent the balcony whenever he has free time...
