Taku is delighted to hear that his mother's friend, Airi, who went abroad with her husband for work, has returned home. She is even more beautiful after their long separation... As they help each other move, the distance between them closes, and they find themselves reliving past feelings, eventually becoming intimate. The two continue their secret trysts, bonding not just as childhood friends but also through shared pleasure. However, Airi decides to end her relationship with Taku, knowing that such a thing cannot go on forever...
