7 men and women were in the tea room of a high-end hotel.Freelance writer Ayaeko Nakajo, next to photographer Haruto Sera, and company employee Osamu Yuki who were interviewed.The piano player is Shu's lover Tamaki Midori.Runa Minazuki and Remon Sato are lovers of different ages. The protagonist Airisa Yuki (played by Kana Kurashina) overlooks them from the lobby on the second floor.

Airisa and Caiezi are friends at the same time in college.Ever since she was a student, she has been concerned about the person Ayaeko likes.She doesn't even care about her husband having a lover.Caiezi could not forget her past experience and thought that she had no chance of love and marriage, but she was gradually attracted by the talent and straightforward attitude of Sera, who was younger than herself.

Green Zao drew a clear line with her lover who only paid for money at her father's event, but when she came to her senses, she became serious about love.Runa, the bar owner who provides love guidance to Ayaeko, also has a soft spot for the young pianist.Gradually, the things they each hold become clearer, intertwined with each other, and reveal unexpected connections——