This Love to Live.

This story focuses on a married couple and their search for happiness as a family. Akemi becomes pregnant, Seiichi eventually divorces his wife and marries her. Despite their passionate romance before marriage, now Seiichi does not look at or think of Akemi as "a woman". Part of Seiichi's reason has to do with the fact that he again goes out with his former wife Ritsuko, cheating on Akemi. When Akemi notices what Seiichi is thinking, she meets Yusaku Shirube, a police detective. Akemi and Yusaku eventually have a love affair that night, comforting their wounded hearts. This one-night love affair is to be a start for perfect love.