body expansion · green serum · inanimate object · sci-fi · medical device · transformation · silent · clinical setting · fetish · irreversible change
The sterile experiment room hummed with fluorescent light, cold metal walls reflecting a single chair. You were strapped in, your small chest exposed. A machine descended, its syringe brimming with green liquid—then pierced your skin. Your chest began to swell, slow and relentless. How far would it go?