S Episode 0

Mio Naganohara tries to comfort her friend Yuko Aioi when she gets a 1% score on a test. Meanwhile, robotic girl Nano Shinonome tries to give the small 'Professor', who has a cold, some medicine, which she refuses to eat, and tries to get advice from their talking cat, Sakamoto. Finally 'professor' eat the medicine that Shinonome mixed the medicine with pudding called Crunchy pudding. Later, Yuko, Mio and their friend Mai Minakami go on a train ride, which is completely empty at this time of the day.

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