Kyoko was famous in the neighborhood as the queen of SM. However, several years have passed and she has since quit that job, marrying into wealth. Kyoko went to his family home to greet them for their marriage when she saw a familiar face from her past regular customers, shocking her. His father had been one of her regular customers. As a man, he had played around with his daughter-in-law many times. The father-in-law thought, 'I want to tie her up someday,' and this desire grew stronger, leading him to come up with a perverse plan using his position...
