Kagurazaka Asuna

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Date of birth April 21, 1988
(October 23, 1988 in first anime series)
Height 163cm (5'4")
Measurements 83cm - 57cm - 84cm (33" - 22" - 33")
Blood type B

Asuna is often in conflict with other people, especially Ayaka. Asuna has a crush on her former homeroom teacher, Takahata, whom Negi replaces. Asuna is an orphan who was allowed into the school free by the school dean, yet still tries to pay towards her schooling with her wages earned delivering newspapers. Much to her chagrin, she is "Baka Red" of the Baka Rangers (or Dummy Force in the FUNimation Dub) and has the lowest test score average in the class, especially in English. She has heterochromia (her left eye is blue and her right eye is green). Negi and Asuna's relationship starts on very shaky ground, but quickly improves as they get to know one another. Asuna tends to act like an older sister towards Negi, and is fiercely protective of him, whether from enemies, the overly-affectionate (and perverted, in her opinion) schemes and actions of her classmates, or even Negi's own drive and ambition. Asuna denies any kind of romantic feelings between Negi or herself and is even a little repulsed by the very idea. Even so, there are moments which hint that their relationship could develop into a less platonic one.

Info by Wikipedia