Deception [FNF AU]

Ever since Keith had rap-battled Lemon Demon to protect Cherry, all three of them went missing, and they havent been seen since. A week after they went missing, things started changing in the city drastically.
A deadly and highly contagious virus started seeping into the city's whereabouts, and the source of the virus is unknown.
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Pico is trying to survive on his own, until it arrives to the surface for resources and stumbles upon the spooky twins, Skid and Pump.
Pico decides to take care of Skid and Pump whilst trying to find other survivors and put a stop to the virus.