FW-012 A wife secretly involved with her father-in-law. Awakening to a new desire, the stepdaughter-in-law, Aoi Aosaka, grows accustomed to her new life

Aoi, a lonely wife who feels a strange emptiness and sadness even in her love and relationship with her husband. To ease her loneliness, she tries a matching app, only to meet her father-in-law, who had been quietly eyeing her all along. At first she is confused, but their relationship crosses a line, and then it is discovered by an insurance agent. With her relationship with her father-in-law used against her as a weakness, Aoi is also pressured by the agent, and in the end she becomes trapped in a degrading relationship with three men.