MADAME OLGA'S PUPILS - Helga Line, Maria Harper [1981] DVD

VIRGINITY aka Pure as a Lily:

A successful British restaurateur is charged with preserving the virginity of his Sicilian cousin, who is visiting the country for the first time.           

CAST:  Vittorio Gassman, Ornella Muti, Dudley Sutton, Graham Stark, Adolfo Celli.  DIR: Franco Rossi (1976)
 

MADAME OLGA'S PUPILS:

Madame Olga, an attractive and seductive woman, is leading a special luxurious house in London, it seems to be a respectable piano-school
but, in fact, it is a whorehouse. Madam Olga's students are prepared to fulfil every desire.                  

CAST:  Helga Line, Maria Harper, George Gonce, Lynn Endersson, Eva Lyberten.  DIR: José Ramón Larraz (1981)