Kenji is overjoyed when his usually thrifty boyfriend takes him on a trip to Kyoto for his birthday, but the trip ends up uncovering a painful topic.
Omameda Towako recently become the president of the construction company "Shirokuma Housing". She has experienced three divorces and is currently living with her 15-year-old daughter, Uta. Although Towako has been divorced thrice, she remains bright and lives her life strongly. However, her life is constantly disrupted by her three troublemaker ex-husbands.
Kakei Shiro is a lawyer who works at a small law firm. He is a good cook and a meticulous and thrifty person who keeps the monthly food budget to 25,000 yen. Shiro’s daily routine is to leave work on time and head to a discount supermarket nearby. His partner Yabuki Kenji is the affable hairdresser. The two of them share a two-bedroom apartment and the finer points of two men living together comes up at the dining table every day.
Chiwawa is a popular girl. One day, her dismembered body is found in Tokyo Bay. Chiwawa's friends gather to remember her, but they realize they do not know anything about her background or even her real name.
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.
Matsushita plays Kiriyama Yuki, an assistant professor in forensic science at a university's faculty of medicine, who's great at finding the true cause of unnatural deaths. On the other hand, she has a reputation of being a weirdo with her messy hair, going without makeup and behaving more like a man than a woman. Co-stars include Yokoyama Yu who plays the role of Inukai Hajime, a research student working under Kiriyama and Matsushige Yutaka who plays Murakami Mamoru, the police detective who is at odds with Kiriyama.
Airi Matsuyama is an actress, known for Higurashi no naku koro ni: Chikai (2009), Higurashi no naku koro ni (2008) and Chiwawa-chan (2019).