Skin of Roses(1978)

団鬼六 薔薇の肉体

Ritsuko is a popular madame of a nightclub but, ever since her gangster husband got caught and imprisoned, her life has taken a turn for the worst. Now, in order to pay off his debts to a yakuza loan shark, Ritsuko is forced to engage in private sex shows for the VIP clientele. After a year of these special shows, the loan is almost paid off.