Yuu is sent to Midgar and encounters a naked girl at the beach. Iris is deluded into thinking that Yuu is an intruder, so she tries unsuccessfully to attack him, but then loses consciousness and is saved by him. While Yuu talks with Iris, his younger sister who he has not seen in two years, Mitsuki, appears and the two reunite. Afterwards, Yuu, who is enrolled at Midgar Academy and is placed into Class Brynhildr, meets with Haruka, who is the commander of the Midgar forces, and he tells her the reason why he was invited to Midgar, where is a Self-government educational institution whose aim…