A closed-door training video in which an arrogant secretary to a company president is toyed with and exploited. The woman in question, Kasumi, has a history of being taken advantage of by the men in the room. Because of this, she is still unable to break off the relationship. But she still refuses to admit that she has fallen. She behaves resolutely, maintaining an attitude of contempt without fawning. However, in order to avoid her scandal being exposed, she has no choice but to submit to the men, even though she does not want to. "Even if my body is violated, Kokoro will not succumb." That's what she told herself. But the men saw through her true nature and called her ignorant. In the midst of her despair, the more she was abused and humiliated in front of the camera, the more she enjoyed her decline as a sex toy...