Emerald Gleaner: Viral Unicorn

[PROTOTYPE 2] My Little Pony: Friendship is Magic Crossover. Oskar's secret has been revealed to Twilight in totality, Twilight faces betraying her friend or betraying her morals. The events of season 2 are fast approaching and the ripples Oskar has caused through his mere presences alone changes more and more. Can a friendship survive when one of of the friends is a killer?