The Education of Adela (2017)

Lesbian slave beautiful teens in bondage to their Mistress provide the perfect genetic material for an unscrupulous Doctor (Melisa Mendini) running an illegal business. She had devised methods to ensure her lesbian desires are met and to ensure compliance of her chosen sex slaves via punishments and sexual rewards. Wealthy straight women come to her clinic and are cunningly required by the Doctor to engage in sex with their sexy teen donor to mutually stimulate and synchronize their hormones. Adela appears to be the perfect donor for Mrs. Donner's needs, who is at first reluctant to engage in sex with a women but soon finds herself drawn into her first lesbian seduction with great passion. Their sex play provides the Doctor with an arousing voyeuristic experience.