After graduating from high school, Yui worked diligently at a local warehouse. One day, she made a serious mistake at work and had to discuss it with the president's son, who was to become the company's next president. She had been secretly worried about the president's sexual harassment, but instead of turning a blind eye to her mistake, he started to desire her body. Unable to resist, Yui gave in, and from then on, the president began to desire Yui's hidden G-cup lewd body almost every day...