Her relationship with her husband has become sexless, and Aya's stress continues to grow day by day. One day, she comes to deliver something her husband forgot. Unexpectedly, her husband's subordinate, Yamanaka, takes the chance to be alone with her and makes his move. Aya, who has secretly been attracted to him, decides to seize this opportunity. Unable to resist Yamanaka's passionate advances, she gives in, and their relationship quickly deepens. Aya ends up being taken by her husband's subordinates one after another, awakening to new possibilities in love along the way.