Ep. 3: Kasuga defends Nakamura after she accuses him of stealing money from a locker.

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After school, Kasuga meets Nakamura in the library, where she confronts him for failing to write an essay she requested. As retaliation, she strips him and forces him to wear Saeki’s clothing. The following day, money is stolen from a locker, and Nakamura is falsely accused. Since Kasuga was with her at the time, he steps in to defend her. This action leads the rest of the class to believe that Kasuga is romantically involved with Nakamura, changing the social dynamic between them and their peers.