In an age when anyone can be Iron Man, a young man with a disability and an indomitable spirit resolutely embarks on the path of becoming a full-time player, all for the sake of his legs. From then on, he can soar freely through the vast universe, compete against the top players, and even charge in and out of interstellar legions as if they were unmanned. To become an eternal warrior, all you need is a heart that will never yield.