The world's number one ranked player in the AOS game League of Infinity and known as the devil of the battlefield, Choi Kang-in. However, Choi Kang-in, who had been in a slump due to a car accident and was abandoned by everyone, was approached by the man in the golden mask and made a proposition. "If you go back, can you become the world champion?" Choi Kang-in, who returned to the past, becomes the maestro who commands the battlefield between Earth and another world's planet and shows off his best play ever. (Source: Naver, translated)