Her H-cup breasts are out of proportion to her slender body, and her maternal personality is out of proportion to her beautiful appearance. Why did the unfair housewife Shinohara Iyo, 30 years old, married for three years, a happy couple well-known in the neighborhood, step into the world of AV? Her first extramarital sex, her eyes getting wet the moment their lips touch, she releases her tremendous desire and drowns in the raging waves of pleasure. The only thing she has not been blessed with in her life so far may be that she has never experienced sex that fulfills her desires...