Male masochist Matsukami had always dreamed of being trained by the tight bondage queen, AN. To make his dream come true, he spent each day gathering information, and finally discovered that AN would be appearing at "Stylish lounge Piss" in Osaka. Eagerly awaiting the day, Matsukami finally summoned the courage to directly request private training from AN. Heading toward Piss, he draws closer to the moment of his fantasy.