Shizuka, a successful female CEO, enjoys a carefree lifestyle with men. After her divorce, she's been enjoying a free-spirited romance with her subordinate, Shinichi. However, Shinichi dreams of marrying Shizuka and has proposed to her many times. Shizuka lives alone in a luxurious mansion with her beloved daughter, Maki, who works at a publishing company. One day, Maki brings home Kohei, a writer she's in charge of. Kohei is a confirmed bachelor with a weakness for young women, but....