The Tokiwadai team competes in the Balloon Hunter event, but due to a case of mistaken identity, one of the Sisters substitutes for Mikoto. Yoshio Baba feeds the other school's team with data on the Tokiwadai competitors, with surprising results.
How come you're wearing 
gym shorts under here?
لماذا ترتدن ملابسك الرّياضيّة تحت زيّك؟
Pourquoi tu portes
ta tenue de sport ?
А почему у тебя под низом
спортивная форма?