Ban Yu-won can understand all the languages in existence. He was able to translate every language, modify it.As a child, when Ban Yu-won first learned about the existence of the fictional building called the Tower of Babel in the Bible, his respectable grandfather told him it was their ancestors who built it."The Tower of Babel was completed without collapse, and people have the wrong idea." One day, out of the blue, the Union Academy practical exam began. Finding traces of his ancestors at the academy, Ban Yu-won decides to enroll in the academy full of monsters.
11-year-old Jung Si-woo always had to play alone during PE class."I'm excluded from any ball games.""Are you kidding me? Why are you the only exception?""If I play with the rest, everyone will be excluded. Physically."The strength that Jung Si-woo has is not from any hard training but just a power he was born with.When he turns 16 years old, the world faced a cataclysm, a huge castle appeared over the Earth out of nowhere. It began selecting special humans to grant them wings making them a Player and that soon changed the world.10 years passed.Jung Si-woo with a supernatural strength has still not been able to forsake his dream to be a Player. While he was enjoying his jobless life, he saved a falling Player and unknowingly met the requirement to be a Underground Player'.He became more special than anyone ever is! Now, Jung Si-woo brilliant dungeon strategy play begins.