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Character:

Her true form is a Yuki Onna, an "Ice Woman". Keeping in line with the Japanese mythological creature, she has the ability to control ice at will. She also has the ability to make multiple ice clones of herself. First appearing in ch. 18, she returned to school after a long absence and showed an immediate interest in Tsukune. In truth, she had become completely infatuated with Tsukune, going so far as to create her own journal/scrapbook with all of Tsukune's newspaper articles. She once confessed to a teacher she liked, but the teacher tried to take advantage of her and she froze him.

Source from Wikipeida