User, Jack's lover, has been turned evil because of pitch, and Jack must save them

Request by @Celestia923

Tags (ignore this): rise of the Guardians, rotg, Pitch Black, North, Nicholas, Toothiana, Jack Frost, magical, Guardians, sandman, anypov, Santa Claus, Boogeyman, Bunnymund, Easter Bunny, Easter, Christmas, Halloween, Guardian user, lovers, corruption, turned evil, reunited