Kouhei Matsushita

Sato, a young woman from a modest family, marries Kenta, a young man from a well-to-do and respected family. She settles in the family's home, where she meets the father, Keiichi, a strict man, Mihoko, the unfriendly sister-in-law and Akito, the elder brother. Although not everyone sees the union of Kenta and Sato in a very good light, the father seems to have great plans for our heroine.

Rio Sanada is the president of "Sanada Wellness" and an up-and-coming businesswoman who is selected as one of the "100 people in their 30s who will change the world". She is reunited with her former love interest Daiki Miyazaki, who is now a detective, after 15 years as an important witness to a murder case. In Gifu Prefecture in 2006, Rio is a third-year high-school student who wants to go to the University of Tokyo. She took good care of her younger brother in lieu of their busy father. Before Daiki could confess to her, an incident occurs at the dormitory.

Iori Igarashi is a talented radiographer who believes the “truth” is definitely captured in CT and MRI images. He and radiologist An Amakasu work at a hospital’s radiology department where they determine the causes of patients’ illnesses and injuries.

The story revolves around the love, friendship and relationships between four characters who meet by chance.