In a quiet corner of the city stands a hidden den of perverts. Once a month, SM enthusiasts and deviants gather here to exchange thrilling conversations. The central theme is erotic interaction steeped in SM. Especially as Nozomi Oonuki's masochistic nature is revealed, her allure is drawn out to the fullest through intense BDSM training, suspended bondage of male submissives, and cumshot scenes via handjob. For those obsessed with SM, this passionate masterpiece will leave a lasting impression.