Working for a housekeeping service, Itsuki Okita is a 38-year-old married woman in her 12th year of marriage, known for her F-cup big breasts. Naturally fond of cleaning, she found her way into this line of work. However, what she didn't expect was the thrill of secretly glimpsing into other people's private lives. Although she normally never meets clients in person, whenever she becomes curious after seeing photos of their rooms, she sometimes deliberately delays her departure or pretends to forget something, leading to intimate encounters. With her husband, she's been experiencing a sexless marriage, causing her desire for excitement to grow stronger. Now, secretly appearing in adult videos, the sheer taboo she feels is about to deliver an overwhelming sensation.