第 24 集: 校長 Narunaru 出差期間，Ando 小姐威脅三年級。

Principal Narunaru goes on a business trip, and Ms. Ando takes this opportunity to threaten Class 3 of not advancing to junior high school! Sana freaks out over her mathematics skills, and Akito becomes "Hard-Boiled Hayama" once again. However, it's a photo of Ms. Ando limbo dancing. Which makes her want to limbo dance, and she does. (Source: Wikipedia)

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