第4話: 桜井は規律に苦しみ、ナノとプロフェッサーは雪だるまのセールに出会い、マイは裕子にいたずらをする

Guidance counselor Izumi Sakurai has trouble enforcing the rules to the school's students. Meanwhile, Nano and the Professor go grocery shopping where they are surprised to find a snowman on sale. Later, Sakamoto's desire to be the authority figure is wavered by his cat-like tendencies. Mai tells Yuuko that she has feelings for her, which leaves Yuuko flabbergasted, only to learn it is one of Mai's many pranks on her. (Source: Wikipedia)

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