If I had married that person back then... what kind of life would I have had? As the days passed, Iroha let various thoughts wander through her mind. One day, when her happy daily life suddenly began to feel boring, the feelings she had locked away were awakened once again. A reunion with her former boss, Takeda. The two of them, who once pushed each other to grow while working in the same department, were naturally drawn to each other and began to meet in secret repeatedly.