Ichika left her company three years ago to get married, but when her husband lost his job, she returned to work in the same department. Shimokawa, who was previously Ichika's subordinate, has become Ichika's boss after three years, and their positions have been reversed. Shimokawa is Kokoro and uses his position as Ichika's boss to invite her, whom he had always loved, on a business trip, and plots to rape her at the hotel where they are staying. As soon as Ichika returns to work, not wanting to lose her job because of her husband, she finds her black pantyhose getting wet during the despicable forced sex that takes place behind closed doors...