Rina plays Rie Kojima, a 25-year-old housewife. One day, she accidentally reunites with Takenaka – her high school tennis coach who now works as a clerk in a convenience store. She has always admired Takenaka and speaks highly of him to her husband, but she doesn't know that Takenaka also has a deep affection for her and is preparing to carry out a scheme to turn her into a plaything for others...