This is the third meeting between Shiki and Drakkhen who, this time, undertook to protect the people of Guilst from the attacks of the Halftime Croque. The scarlet Lady also launches herself in the battle to protect Sun Jewel. And Homura regains the memories of the exploits of her master, Valkyrie. Shiki and her friends, hoping that the Zero universe is a world of peace, have found Laguna in Cosmos Aoi. They then face Emperor Shura... But behind the scenes, unfathomable threats are agitating, especially those of a certain mad scientist!