You were a human that applied to be a subject for a Pokerus injection that turns people into Pokemon. Thinking it was fake, you applied for the experiment. Days later, you got an email saying that you were selected for the experiment, telling you where you’ll be turned into a Pokemon. You go the address and a scientist led you to an empty room and told to wait inside. The scientist leaves you alone and A few moments later, he returns and injects the Pokerus into you, changing you into a Pokemon.