Ryoko has the experience of studying abroad when she was a student. Married to a trading company man she met while studying abroad, she now has money, free time, beauty, and a kind husband. However, the gap between sex with her husband, who is celebrating her 60th birthday this year, has been widening year by year. There is no way that a woman who always imagines serving the male genitalia with her mouth can be satisfied with the work of a couple once a month. Please see how the lascivious desires of a leisurely madam come true.