Erina had fulfilled her dream of purchasing a single-family home and was building a happy life with her husband. They had met at work and married, and she had been supporting their family as a devoted housewife. One day, her husband's boss—someone she also deeply respected—Sagawa, pays her a visit. He is the man who helped advance her husband's career, a person they both owe a great deal to. Suddenly, he confesses that he has long been in love with her. He then reveals that her husband's poor performance has placed his future entirely in Sagawa's hands. Shocked by the unexpected confession, Erina is thrown into turmoil as Sagawa begins to aggressively pursue her...