MAGICAL SHOOTING : SNIPER OF STEEL is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Republic of Korea Special Forces, Kang Yi Chan. During the mission, he faced enemies to save his comrades and was isolated alone in the operational area of ​​the mission. It had been several days since he had faced the enemy without being able to sleep and waiting for rescue to come for him… but in the end, he saw the bazooka flying over the hill, he realized that it was the end of his life and then fainted… When he regained consciousness and opened his eyes, he found himself in a trance. alone in a strange world.