Wanking Step-Dad Is Blackmailed by His Little Step-Daughter

Silence at last. The family is gone. The step daughter at school. The father of the family wants to use the rare time alone to treat himself to some fun. He finds a pair of his step daughter's worn red lace panties and sniffs them. Oh, does that smell heavenly.
Tissues and a few toys that no one is allowed to know about are ready. He puts on the black mask so as not to catch sight of himself in the bedroom mirror.
Now it should be just about him for once. Pulling the panties over his head, he begins to satisfy himself. A photo of the teenage, sleeping step daughter on the screen, he quickly becomes more excited...