第 3 集: 因馬場良雄針對御坂10032的間諜活動，常盤中失去了氣球獵人。

Tokiwadai begins the Balloon Hunter event against the opposing school, who gains an early lead due to intel on Tokiwadai's espers provided by MEMBER operative Yoshio Baba. Believing Misaka 10032 to be Mikoto, Yoshio sends his teammates to gang up on her while he sends a robotic mosquito to inject her with a nanodevice. After the event ends in Tokiwadai's defeat, Mikoto goes to have lunch with her mother Misuzu Misaka, having a run-in with Toma Kamijo and Misaki while getting drinks, while Ruiko and Kazari decide to search for a rumored metal known as Shadow Metal. Meanwhile, Misaka 10032 collapses from the nanodevice, at which point she is discovered by Misaki. (Source: Wikipedia)

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