Chapter 6
The No.1 Hitman, Kim Gun, finds himself plunged into the world of martial arts due to a mysterious accident. To return to his original world, he must complete a mission called 'Martial Arts Conquest.'With a total of 2 guns, Kim Gun's adventure to subdue the unfamiliar martial arts world begins.
Chapter 3
No.1 Killer Kim Gun falls into the world of Moorim due to a mysterious accidentIn order to return to the Earth from which he came from, he learns that he must complete the mission of "conquering Murim".With two guns, Kim Gun's adventure to settle the unfamiliar world of Moorim begins.Geongaek, Gun Guest, Gunman, GUN,