Yasuko Matsuyuki heads the cast of this drama about a 40-something woman who is happy with her single life but nevertheless starts dating a man who is 24 years her junior. Yasuko Matsuyuki heads the cast of this drama about a 40-something woman who is happy with her single life but nevertheless starts dating a man who is 24 years her junior. Yasuko Matsuyuki heads the cast of this drama about a 40-something woman who is happy with her single life but nevertheless starts dating a man who is 24 years her junior. Yasuko Matsuyuki heads the cast of this drama about a 40-something woman who is happy with her single life but nevertheless starts dating a man who is 24 years her junior.