Episode Title:Hot-on-heels Cross.Episode Description:In order to promote solidarity between nations, a military exercise called the Blue Flag was held, much to Yuuya and Yui's disgust. Meanwhile a party is held to celebrate the return of the Argos test flight. Yui cooks up a homemade meal for Yuuya, making him remember on how his mother used to make it. Out of the blue, Cui Yifei of the United Chinese Front appears and compliments Yuuya for his humility while also expressing her romantic interest. The next day, Cryska finds Yuuya in hopes that he knows where Inia is. She smiles (for the first time in the series) and tells him Inia likes him. They spend all night searching for Inia to no avail. That night, Yuuya sees his old flight mate and partner, Leo Kuze, who express his desire to best him.