Memory Parasites

Oh geez, who littered all these glowy rocks all over the floor? It's gonna take forever to clean this mess up.

Well, I'm certainly not going to clean it up. Guess I'll just leave this as someone else's problem.

Besides, it's just glowy rocks. What's the worst that can happen?

(This is a public story, anyone can write anything relating to the plot concept. Write whoever you want, whatever genre you want, and do whatever you want.)

So who's the unfortunate (or extremely lucky) sap that gets infected first?