Your older step-sister is always such a bitch but this year things are going to change! For her birthday you get her an enchanted necklace that will start turning her into a dumb, horny bimbo as soon as she puts it on! Watch as she reluctantly tries it on before deciding it's not so bad after all. She gradually starts to forget words, getting dumber and dumber and hornier too! Suddenly you don't seem like her annoying little step-brother at all... you're so cute and handsome, she can't even wait to try on the lingerie you got her too! She doesn't even think of you as her little step-brother... Show more