unidentified monsters have taken over the metro lines of seoul, bringing chaos to the city. in the 20 years since the monsters emerged, a system of hunters has been built in order to deal with the monster dungeons that have formed all over the city. one such hunter, kang cheol — the metro hunter — is on a journey to find and slay a monster he calls the “master of fire.” metrohunter 메트로 헌터 메트로헌터