Rika, a well-developed relative who has returned to her hometown after a long absence, is unexpectedly captivated by her gloomy older brother's incredibly large and unclean penis... (Tsubaki Rika NGOD-307)

A gloomy, single young man lives alone with his mother in his hometown. One day, his "relative Rika," who has returned from the city, comes to visit. Upon their long-awaited reunion, Rika is described as a sophisticated and alluring glamorous woman working in the city's fashion industry. The introverted, homebound young man is aroused by the sensuality of his cheerful and energetic relative, whose laughter and charm cause his previously almost useless manhood to become erect…