Some kind of global catastrophe results in magic working. So now there are wizards, rangers (shape changers), and elf looking people. A remotely posted squad must fight mercenaries equipped with sci-fi technology and magic to find their missing commander.
Yun Jun Sik
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Gangryong is a high schooler unlike others. He has always had a dream of being the strongest. One day he meets Youcheon, who teaches him a powerful skill. One year later, people come to see him and announce that his "master" is dead. Because he was his only student, Gangryong has to follow them and go to a school where everybody has supernatural powers to fight.