Lee Zaha. The Crazy Demon crazy for martial arts. While he was running away after stealing the heavenly pearl of the Demon Cult Leader, he fell off a cliff. After thinking that everything was over, he opened his eyes to see that he had returned back to when he was an errand boy… And he is being beat up for something that he didn’t do. The Crazy Demon who returned to his days as an errand boy! Will he go crazy again, or will he drive his enemies crazy?