Shells 00-01 - Hatchday Party at The Ranch
"but like you explained, flesh to flesh transfer meant that the growth serum in it, which applied to me primarily, rubbed off on - and in - you, resulting in you being just as big inside as i was. that was nice, and it ended up being a perfect fit.
OmniGro
With that eli reached in and playfully tweaked his boyfriend's small nipples, effectively slathering the tiny nubs with yet another dose of the growth serum in the process.
Thank You (Falettinme Be Mice Elf Agin)
As if gathering into his chest, heating it up like a furnace to convert it into a growth serum before distributing into his limbs.
Arcadia: Examined
I have records indicating that transformative serums that allow a subject to change from one species to another already exists and muscle growth serums predate the descent of the haze."_ "wait... what?" ruin asked.
Manhunt: Inflator Style Season 2 (Complete)
I forgot to mention that i added a bit of a growth serum into the mix too... something about adding a little extra height and bone density stuff to make sure that you'd remain at least a teeny bit mobile no matter how much of a butterball you become.