Nagi Miyoshi, who works at a maid cafe, feels uncomfortable with the monotony of everyday life. It is the result of a strong sexual desire that has been slowly growing deep inside her since she was a child, and a masochistic desire to be subjected to intense torture... Nagi met her sadistic maniac as a customer, and he always pleases her with his dedicated training, but... Nagi, who always wants to throw away her body and be defiled by a man, visits rope master Kita Seiichi, whom she met online, and longs for obscene rope torture.