Kasahara tries to keep her real job as a Defense member a secret from her parents so that she is not forced to quit and return home. She tries to enlist the aid of her friends and superiors to help facilitate her parents' tour of the Kanto Library Base, but the true danger of this job is revealed when Kasahara accidentally catches a thief in the library. Her mother is worried sick and is trying to dissuade her from continuing but her father takes her side and says they should respect Kasahara's decision.
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