Sister in the Mirror

Madeleine and Melissa are twins but Melissa withered away when her beloved father died. Madeleine suddenly sees and speaks with her in her own reflection. She is a prisoner in a hellish land under the demon Templar. Melissa instructs her to masturbate five times a day to provide sex energy to supposedly help her resurrection. Madeleine obsessed by celebrity masturbation and her own escapes her boring job by going to events and places such as Prime Minister's Questions and the London Eye to orgasm without detection. Madeleine remains a virgin unlike her sister. Well meaning beings are also watching her from other dimensions wishing to protect her from surrounding evils particularly Melissa plotting to usurp her sister's body when she sleeps. Hidden powers fight over her while being desired by a voyeuristic stalker and other grotesques. Finally ancient evil attacks Madeleine at the Tower and at home amid violence horror and blood. Both sisters transform in a most unexpected and wonderful way.