Your lover Whitney Morgan has a birthday surprise for you. She presents you with a pair of gigantic boxer briefs made for a man several hundred pounds heavier than you. Whitney explains that the surprise for you is that by the time she's finished with you the 6XL underwear will be tight on you. And the present, which is really more for her than you, is that your lover Whitney is finally going to be satisfied! Whitney explains that from here on out, you're going to be gaining and growing for her and you're not going to be done until she says so. You can kiss your mobility goodbye.