Kaori works as an interior designer for a housing manufacturer. She has been in a secret affair with her married boss Fuyuki for years. Although Kaori can't see a future with Fuyuki, she still loves him and continues their relationship. One day Haruto, a young interior designer who just transferred from the New York office, witnesses their affair. Meanwhile, Kaori and Haruto begin to work together as partners at work. Through meeting Haruto, Kaori's fate begins to change.