["Just work in your underwear" - is this work, or something else...?]. Mayu Shino (25), a new office lady who was forced to work in her underwear because she couldn't do her job. The atmosphere in the company is strangely distorted, and everyone begins to treat her as a "sex disposal unit." Under the desk, in the conference room, in front of the copier... The desires of the men exceed their limits for the big-breasted office lady wandering around in just her lingerie. Under the name of "take responsibility," she is subjected to one depraved order after another. Soaked in shame and pleasure, she falls without being able to resist... The whole story of the lewd backroom work that takes place behind the lingerie manufacturer.