Yuu is a married woman who got married a few years ago. She is currently a manager at a sales company that sells eco-generators. She was favored by the managing director and was promoted to manager. However, Yuu is arrogant towards her subordinates, overworking them and repeatedly engaging in power harassment. She lectures them, kneels down, polishes their shoes... One day, when she comes to work, she sees a notice of personnel changes. The managing director is transferred for embezzlement, and Yuu is demoted to an ordinary employee. This is where her nightmare begins...