Atsushi was very happy to hear from her mother's friend, Airi, who was assigned by her husband abroad. She had reunited after a long absence and was becoming more beautiful... While helping to move, the distance between them quickly narrowed, and the emotions of the past were now being relived, and eventually they would have a relationship. The two kept their secret meeting not only as childhood friends but also with a deep connection of joy. However, if she couldn't do this forever, she decided to end her relationship with Atsushi.