[WARNING: This story contains fmg (female muscle growth), demon transformation, giantess growth and masturbation. Do not read if you do not like this content. You have been warned!]
Cindy grabbed the potion, still a bit sceptical on whether it would work or not. But she desperately wanted power and seduction on her side and this was the way for her to get it. She contemplated weather it was poisonous or not, tossing caution to the wind she placed the top of it upon her lips, throwing her head back, and swallowed every drop.
A while past and nothing happened "This is so bullshit! I can't believe I bought this sugar water." she thought to herself then suddenly she felt a tingling in her groin. Reaching into her black, short skirt, she felt her warm pussy, the tingling turned into an intense burning sensation.
Cindy felt it burn deep inside her pussy and she began to stroke herself, but the burning spread throughout her whole body. Eager to reach the source; two of her f