In the blink of an eye, you're a foxgirl. You have E-cup breasts and a furry fox tail and furry fox ears. You have a perfect figure. You also become aware of the fact that you are naked. A quick look and grope confirms that you are fully female.
"What did you do to me?" you exclaim.
"Just made you my pet, you'll find you can't tell anyone about what you saw here today," he says. "It won't be so bad. I'll treat you well. Now, to test the obedience, masturbate."
You send one hand down to your vagina and another to play with your breasts. You do this until you orgasm. He masturbates as he watches you. When he's done, you feel compelled to lick up all the cum and you do.
"I'm omnipotent," explains your host brother. "Your behavior will determine your fate."
You say...