After my fiancé suddenly cut off all contact upon learning he had gotten my daughter Naho pregnant, I dedicated myself to working nonstop for ten years to fulfill my responsibilities as a single mother. Now that I've graduated from university and secured a stable job, life has finally settled, and a bright future lies ahead for my daughter. Then one day, I unexpectedly end up in a physical relationship with my daughter's boyfriend. Despite my love for my child, overwhelming desire overtakes my body, writhing in electric waves of pleasure I can't suppress. A shocking turn of events unfolds, shattering the boundaries of everyday life.