In somewhere, your female roommate was sleeping. Until she felt a bloating feeling onto only four of her portions.

Female: Mmmmhhhhh!~ What's happening to me~?~!~ She noticed her hips, thighs, behind, and chest beginning to be much more larger and wobblier.

(GIF's from Tenor, here it is. The name of the picture's just Expansion Beauregard GIF. Here's the URL. https://tenor.com/view/expansion-beauregard-gif-22615156)