Hikaru Konno, an elite office lady, is a woman with a twisted sexual habit of releasing stress from work through exhibitionism. The pleasure of exhibitionism is gradually becoming more and more extreme as she seeks further stimulation. One day, a colleague accidentally captures Hikaru's lewd behavior. Then, the man blackmails her with the secretly taken photos, and she becomes increasingly addicted to the pleasure of perverted play, which is like a bottomless swamp...