This drama tells the story of 21-year-old Toru (played by Ren Nagase) who falls in love with his mother's friend, Shishi (played by Itaya Yuka), a married woman who is 20 years older than him. They fall in love at first sight and begin an underground affair.Toru's good friend Koji (played by Matsuda Genta) also has an affair with the housewife Kimiko (played by MEGUMI), but the relationship is very complicated and difficult to understand. He also has a girlfriend.

For the past three years, I have been listening to the music that Shi Shi likes, reading the books that Shi Shi likes, and waiting for a call from Shi Shi at home every afternoon.He couldn't take the initiative to call her. This was an agreement between the two of them.Gradually, he became increasingly unable to satisfy such a relationship, and he made a request to the history of poetry to live together.The history of poetry is rational. She knows that everything she owns is given by her husband. The history of poetry is not clear about what it means to leave her husband, so she has been vaguely avoiding Tohru's requests.However, when Toru confessed to her desperately in front of everyone at the party and left, Shishi finally made a decision...