Ayaka is a full-time housewife who has been married for several years and lives a peaceful life. But one day, her ex-boyfriend shows up to see her. "You haven't forgotten about that video, have you?" The video shows footage recorded in a moment of youthful folly and Ayaka, who was once active as an actress under the name Airi. Having found it, he barges back into her life. The shadow of her past threatens her present and her marriage. What awaits her beyond this— regret, or pleasure?