I wanted my mother, who looks young, cute, and loves to be happy, but she became a middle-aged vaginal cum shot saffle. - Takehiro Tomiyasu

The movie explores the complex and taboo relationship between a mother and her son, as they navigate their feelings and desires. The title suggests a focus on the mother's transformation and the son's reaction to it. The central dramatic tension revolves around the mother's pursuit of happiness and fulfillment, which leads to a series of intense and intimate encounters.