A full-time housewife named "Kiko," living in a luxury Yokohama apartment with her banker husband and college-student son. Over time, she fell into a long-term sexless marriage, creating deep inner conflict. One day, she unexpectedly received an offer to appear in an adult video. The reason? She felt she had lost her identity and allure as a woman, and didn't want to spend the rest of her life in emptiness. Accepting the offer, she embarked on a training trip that would take her down a path completely different from her past life. Throughout this journey, she would discover a completely new version of herself.