Sequel to Shadowverse Flame. 
Light has become the new "Strongest Shadowverse Player" by becoming the top-ranked player in the world rankings. After winning the right to challenge Seven Shadows, Light and his team are invited to the "Shadow Area," a huge floating island. It is a team battle between Light and Seven Shadows. The team that wins the first five battles against Seven Shadows placed in each area is the winner. Arc, Arc Ruler, and Seven Shadows. The truth of all will be revealed at the end of the battle. The great ordeal that will decide the fate of the world is about to begin! 

(Source: Crunchyroll News)