Yuna, a first-year caregiver adored by the elderly at the facility like a grandchild. Trusted by her colleagues, she approaches her work with double the energy and sense of responsibility. However, she has a hidden side. She is under the mental control of her supervisor, Hashimoto, and acts as his sex pet within the facility. Hashimoto plans to make money by selling Yuna as a sex-processing Dutch wife through social media...