The Students on board Stellvia are informed of a Competition between foundations, and are motivated to do their best by Kent Austin of the Big 4; he tells them whoever wins the Competition will be considered for the Great Mission. This motivates the students to do their best. Professor Shirogane emphasizes the importance of Winning the Astro-Ball event, and tells the Big 4 to bring the glory back home to Stellvia. The Big 4 then tests the new students in a difficult task in search of a fifth member of the team. Shima is the only one that manages to come out on top and get past the Big 4, and so she is invited join Stellvias' Astro-Ball team at the event.