The protagonist is a professional e-sports player, but he was accidentally injured during a game and was forced to retire. He fell into a low point in his life until he discovered a mysterious "League of Legends" server that was connected to a parallel world. In this world, his body is no longer an obstacle and he can operate the hero as freely as before. But as his influence in the parallel world grows, he finds that the lines between the real world and the virtual world begin to blur. He must find balance while facing a villain who seeks to use parallel worlds to control reality.