Lucy, confused by this new sort of wonderful feeling, looked to her mother for some sort of explanation. The only look her mother gave her in return was that of a sick satisfaction.
 
"Mom, what the-?" Lucy said, frowning and dropping the empty glass onto the table. She clutched her stomach, feeling it soften in her hands. Her mother chuckled slightly, and started mixing some more of the weight gain formula.
 
"You might be hungry in a little, right, dear?" Susan asked, setting the full glass in front of Lucy. Her stomach was starting to expand even more, creasing her shirt and making her pants feel very uncomfortable.
 
Her stomach started to peek out from under her shirt as it started to ride up like crazy. Her pants were getting tighter and tighter as she grew from skinny to plump in a matter of moments. Soon enough, her pants were coming close to bursting, and her shirt was close to tearing.
 
Susan pipes up...