Forty-year-old sex addict Ayaka. As she grows older, her lust intensifies, driven by desires so strong they surprise even herself. While her husband is away on overseas assignment, she uses every possible method to get men—delivery men, the neighbor's husband who collects circulars, boyfriends she meets through social media. But her lust won't stop, and eventually she turns her attention to her own virgin son... A story depicting a woman's escalating desire with age and the ultimate depths she reaches.