A bacterial infection appears in Tochigi that is making people sick. Yuhi and Aya suspect it is part of the C-Project. A young girl named Chidori Kuruma comes to the house looking for Yuhi. She had seen him flying with Ceres the month before, and wants them to come to Tochigi to meet her brother, Shota. Shota, who has paralyzed for the last two years, was hospitalized three days before after being afflicted by the bacteria. Chidori wants Aya to fly with Shota, to help keep him from giving up on his dreams of being a pilot...