Ep. 5: Riki y Rin se ofrecen como voluntarios para guiar a los miembros de la Asamblea Prefectural durante una inspección escolar.

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Members of the Prefectural Assembly are expected to make an inspection of the school and realizing that it is part of the "final task", Riki and Rin volunteer themselves to guide them around. Despite Rin's shy demeanor, she manages to guide the visitors properly and they later invite her to take part in a student exchange program to help the students of another school overcome a tragedy that claimed the lives of some of their classmates. (Source: Wikipedia, edited)