अपनी भाषा में प्लॉट जोड़ेंTrain Heartnet is a famous assassin known as Black Cat. He works for Chronos, an organization that secretly controls the world.Train Heartnet is a famous assassin known as Black Cat. He works for Chronos, an organization that secretly controls the world.Train Heartnet is a famous assassin known as Black Cat. He works for Chronos, an organization that secretly controls the world.