During a delivery by the president of A.C Tsuchinoko, Hisamitsu Isokawa, he reunites with Hiraoka and Erika, who were his classmates in technical school. Meanwhile, Misa gets the chance to do some character CG animation for a certain scene in The Third Aerial Girls Squad, inviting Ema and Shizuka to an amusement park to observe their reactions on a rollercoaster for inspiration...