step-mom turns into a vampire and fucks her step-son. She comes home after a long day at school working as a teacher, feeling dizzy. She speaks with her step-son about some problems he’s having at school, then wishes him goodnight. Not before showing him the marks on her neck. Later that night she realises a colleague Dr Acula has turned her into a vampire. Now she’s hungry for cum and she needs someone to fuck.  She goes into her step-son's bedroom feeling powerful and horny. He wakes up, frightened. She calms him down and tells him that it's his lovely step-mother. Now she needs his cock. Alternating she strokes and sucks his penis. Then she puts his cock in her pussy and starts riding him. After she fucks him, she sucks his cock so that he can cum in her mouth.