A series of erotic novels that can be viewed on video, gaining popularity among middle-aged and elderly people, baby boomers, and office workers in their 30s. - This time, we will introduce a nostalgic Taisho romance set against the backdrop of the turbulent Showa era. Oyuki, a young and beautiful woman with a good disposition who works at the red line in the Mukojima area across the Sumida River, has a female genitalia that can give male customers the ultimate sexual pleasure. - She was gaining popularity as a prostitute. - Centering on the pure love story between Oyuki and the customer she fell in love with, the story depicts the erotic human relationships of the former young wife of a bankrupt university professor, a voluptuous beautiful mature woman who sold herself from a poor Tohoku farmer, and the short-haired proprietress of a prostitute. - A masterpiece depicting. - This is an erotic novel that you can watch through video that depicts the pure love story of a prostitute, with a detailed script, and a total of eight talented actresses, including Miki Yoshii, appear. - 240 minute work.