This the only series of Inazuma Eleven to feature a disallowed goal. This occurs in when Rodan Gasgus' goal is dismissed due to the referee determining that the ball had momentarily crossed the goal line before it was kicked into the goal box.
The first arch of the series focuses on Inazuma Japan's focus to win the Asian Preliminaries of the Football Frontier International Vision 2, painting the picture of a generally down to earth premise. This image is kept up until a twist reveals that the Uzbekistan team, Storm Wolf, are aliens in disguise. A spaceship descends on the stadium, and the "FFI V2" is revealed to actually be the preliminary stage for a intergalactic soccer tournament. The season's true nature as a science fiction story involving an intergalactic soccer tournament, aliens, and universe ending stakes, was kept a secret prior to it's reveal within the this was revealed in the season. All information and and art that were released prior to this pertained only to Inazuma Japan and the Football Frontier International Vision 2.