Ep. 7: Substitute Teacher Oyuki Causes Blizzard in Classroom Dimension

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Mr. Rascal is struck by a truck and unable to attend school, prompting the appointment of Ms. Oyuki as his substitute. As a yuki-onna, she inadvertently triggers a blizzard whenever she experiences frustration or self-doubt. This event transports the entire classroom into Ms. Oyuki's mental dimension, where the students must locate a path back home. During this crisis, an evil mole dispatched by Sorges attempts to capture Chacha. Ms. Oyuki intervenes at the last moment to protect her students from this threat.