Yuuka Hirose

To support her husband, whose business has failed, Yukari works part-time as a medical secretary by day and as a delivery girl by night. She meets a doctor at work, Honma, and begins an affair with him, receiving financial support. However, a colleague discovers them in the act...

Sayuri, who aspires to become a teacher, is forced to kiss a student while working as a private tutor, which is viewed as a problem by the student's mother. Through no fault of his own, he was lectured by his girlfriend's biological mother, who is a university professor, and was forbidden from becoming a teacher, so he took a job as a clerk at the office run by her mother. As a result, she spent most of her days with her mother, such as going to lunch or shopping, and she was given a fiancé arranged by her mother, leading to her living the life of an extremely boxed daughter. Still, he felt rebellious, and with the help of his cousin Rumi, he finally found an environment where he could live on his own.

Tired from work, Namiko comes to a seaside town and reunites with Junya, whom she once loved, but it turns out that Junya is living with Arisa, a much younger woman. When Arisa finds out that Namiko likes Junya, she supports her.

Hanako, who works at a girls' bar, is having an affair with a married man named Etsuo, who likes older men. When Etsuo's wife, Tomoe, notices her husband's affair, she suddenly shows up at Hanako's workplace and asks him to be her friend.