The Day My Butt Went Psycho

AN EPIC TALE OF ONE BRAVE BOY AND HIS CRAZY, RUNAWAY BUTT.
Can Zack save the earth from butts gone berserk? Can he defeat the biggest, ugliest, meanest butt the world has ever seen? More important will Zack and his butt ever find true happiness?
It's an adventure you and your butt will never forget!