Ai and Manami reunited at a class reunion after seven years. Ai, who had secretly harbored deep affection for Manami since their student days, brought her home without her noticing anything. Manami, troubled by marital discord due to her husband's layoff, was taken advantage of and ended up entwined with Ai. Manami, now acquainted with the endless pleasure between women. Due to her family situation, she decided to live with Ai for a while. The two had been celebrating what they thought would be an everlasting secret relationship...
