Lorena and Beto, two step-siblings, who like to fuck constantly in secret from their parents. But their step-mother may now be aware of their relationship, and she likes it...
A teenage boy lusts after his sister. He is jealous of her new boyfriend who is a complete jerk. One night after his sister comes home from a bad date he makes his move. Her reaction is much better than expected.
John and Mary Story decide that their eighteen year old son Sam, though admirably mature, is lacking in one crucial area of his education. He doesn't relate well to the opposite sex, at least in one-on-one situations. The decision is made, mostly by Mary, to help Sam develop that ability with the aid of an older female tutor. The plan succeeds all too well.
I know what they say about it not being your fault; that you are the victim and are in no way responsible when someone forces you to have sex. Still... I would still be a virgin if only I had not taunted him so.