Her husband is an elite employee of a first-class company and lives in a tower apartment in Tokyo. She herself worked as a career woman before her marriage, but now she is a carefree stay-at-home mom. What's more, Nanako, who got the life that everyone envy, has her desires accelerated rather than stopped, while she secretly surrounds the handsome young Yuuki with her husband. One day, her husband will go on a business trip for three days.
