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 feelings of the past were now being repeated, and eventually they would have a relationship. The two kept their secret meeting not only as childhood friends but also connected deeply with the bond of joy. However, if she could not do this forever, she decided to end her relationship with Atsushi.