Pandora Hearts [ TESTED ]
The legendary hero who sealed the Abyss 100 years ago. Throughout the story, Jack appears as a friendly, poetic ghost. He is the ideal Oz aspires to be. However, fans know that Jack is arguably the most terrifying villain in modern manga history—a man who destroyed the world out of loneliness.
: Initially appearing as a cheerful, laid-back protagonist, Oz hides a deep-seated emotional trauma stemming from his father's rejection. His evolution from a passive observer to an active participant in his own destiny is a core arc. Pandora Hearts
This setup—a boy and a girl bound by a contract, solving mysteries—feels familiar. It echoes tropes found in series like D.Gray-man or Kuroshitsuji . However, Mochizuki uses this familiarity as a trap. The reader settles in for a monster-of-the-week adventure, only to realize much later that the rug has been pulled out from under them. The legendary hero who sealed the Abyss 100 years ago
