Super Serum (Unabridged‪)‬

Christy and Kirsten, bioengineers, have successfully completed work on their Super Serum. Its intention is to create muscle mass, while adding a tiny height boost. But Christy learns that it affects females differently, and she can tweak it to make them grow into giants! Now, Kirsten is her guinea pig, and the girl keeps getting bigger and bigger with each modification. But a mathematical error will send things spiraling out of control, and Kirsten's growth may just not stop....

Contains: growing woman