Asami Nagase challenges the unfaithful eros of the desire gal wife presented by the new Dramax Goku! Yuta, who came to Tokyo to attend a university in Tokyo, had a water outage in his apartment shortly after he started living alone, and he had to stay at his brother's and his wife's house in Tokyo. Asami, her brother-in-law, who was interested in her young brother-in-law Yuta, gradually seduced her cute brother-in-law Yuta!! - The sex appeal of the busty gal sister-in-law is attenuated and the unfaithful act escalates more and more, and she wriggles her waist indecently and goes crazy with unfaithful sexual intercourse with her brother-in-law!