Toaru Kagaku no Railgun: Ruiko uses the Level Upper on herself and her friends and is happy to have an ability. Meanwhile, Kuroko takes care of more Level Upper offenders and gains more injuries in the process, keeping them a secret from Mikoto. Remembering when they ate shaved ice, Mikoto and Kuroko come to the conclusion that the Level Upper is using synesthesia to manipulate brainwaves. Kazari soon hears from Ruiko that her friends have fallen unconscious due to the Level Upper, and later finds her unconscious too. After admitting Ruiko to the hospital, Mikoto feels responsible for hurting her feelings with her advice and wants to help. They later learn from a frog-faced doctor (Heaven Canceler) that the Level Upper victims seem to share a brainwave pattern with someone. With the help of Mii, they theorize that Level Upper actually connects ability users like a network and learns the culprit is, to their surprise, Harumi. Kazari, who had visited Harumi earlier and discovered her notes on synesthesia, is taken hostage by her. Noticing Kuroko's injuries, Mikoto decides to rescue Kazari and stop Kiyama by herself.

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Action, Animation, Comedy, Japanese, Sci-Fi