Iura plays a divorcee Kenta who quit his job and is working in his family's laundry shop while Inamori plays Akehi, his former girlfriend from junior high who is a housewife but has an unhappy marriage. The two of them become drawn to each other again after the alumni reunion despite the circumstances they are in. On the other hand, Itaya plays Kaoruko who is beautiful and clever but has grown not to trust men due to a failed relationship and doesn't pay attention to her looks anymore. After the alumni reunion, she finds herself being involved with Ryosuke (Matsuoka) who is a playboy and never sticks to one woman for long.
Below are the character descriptions on the TBS official website:
Yanagi Kenta (Iura Arata): Worked at a major chemical manufacturer for many years but quit after his divorce. Currently managing his family's laundry shop. Since young, his character has been that he would not budge if he does not believe in or accept something
Kamakura Akehi (Inamori Izumi): A hairdresser with a cheerful character. Although she appears happy with three kids, her marriage with her husband who is a famous hairstylist has already broken down and her eldest son is actually her husband's child from a previous marriage. Whenever her husband is unhappy, he would take it out on her. As such, when she reunites with Kenta, she finds herself drawn to him again.
Hirono Kaoruko (Itaya Yuka): The top student and beauty during the junior high days and would protect Akehi who was bullied at school. She had even slapped Ryosuke in school for two-timing her friends. However, just because of one failed relationship, she lost faith in men and doesn't bother to pay attention to her looks anymore while working as a pharmacist.
Sakurai Ryosuke (Matsuoka Masahiro): The exact opposite of Kenta who was so popular at school that it was said that 80 percent of the girls liked him and he was tops in popularity votes. He went to a top-class university to study architecture, graduated as No.1 in his class, went to a major construction to work and got his architect licence on his first try. At work, he is on the way up to be an executive while he is known to be a good husband and father to his daughter. However, he also has a reputation for being a playboy.
Source: Sanspo / TBS