Russian teen sister mature sis
She doesn't reciprocate his feelings, but falls hard for the Ideal Hero Joe whose love she thinks will make her a better woman. A big part of Miguel's mental unstability in Bloody Moon is his lust for his sister Manuela. The older brother asks the younger to marry him shortly before the younger one leaves for three years to train in Russia for the Olympics.
In the Romanian movie called, love Sick legaturi Bolnavicioase there is a college girl who sleeps with her brother and is in love with her best friend.