After the death of their estranged father, 3 adult sisters invite their teenaged half-sister to live with them.

Minoru Sanada is a cameraman with little skills in his profession. His wife Megumi runs a cafe, but the cafe doesn't have any customers. Yet, the couple has 8 chidren.

Matsumoto Chiaki is a 38-year-old woman who got married at 24 and divorced at 35. As she's almost 40, she decides to try a dating app and meet various types of men to recover the youth she lost from her early marriage.

Hyuga began his career with a website he built out of interest. Later, he developed an IT company and became a billionaire while Makoto encountered a lot of hardships in job hunting. Their personalities were radically different. Even though they faced a lot of conflicts ever since they first met, they were gradually attracted by each other and went through a lot of things together.

Murasaki Shikibu (Yoshitaka Yuriko), the heroine of this story, wrote the bestseller 'The Tale of Genji,' transcending a thousand years during the Heian period. She weaves the story of Hikaru Genji, fueled by her love for Fujiwara no Michinaga (Emoto Tasuku), with her hidden passion and incomparable imagination. It is a tale of a woman who lived with unchanging love in an ever-changing world. (From TV JAPAN)

The story follows Aya from the time she moves to Tokyo at age 23 up until she turns 40. Aya has to adjust to the different values and perceptions of the big city as she struggles with challenging situations. We get to follow Aya’s move from one neighborhood to another as she maneuvers her career and love life.

Long-time friends Jinko and Motoko hear that their college friend Miki has jumped into the ocean. They are joined by Haraki, who Jinko happens to meet, and head by car on a journey to see Miki.