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Kanou Shiori (十七夜 栞) appears in the spin-off manga, Mahouka Koukou no Yuutousei. She is a student of Third High School, and Year 1 Course 1 student.

Appearance and Personality


When Shiori was younger, she was from a family that had lost its number and has been an Extra. Though, she is now adopted by the Kanou Family, one of the Hundred Families. [1]

Shiori is a close friend of both Isshiki Airi and Tsukushiin Touko.

In AD 2095 she competed in the Women's Newcomers Division Speed Shooter event. She came in fourth place overall in the Speed Shooter event after losing to Kitayama Shizuku. [2]


She went to Kanazawa Magical Physics Institute under the invitation from Isshiki Airi, to refine her innate spatial awareness and calculation ability.

As the result, she gained a special eyes that use magic to instantly convert anything she sees into numerical formula. Thus, she can even predict the movement of particle which appears random to normal eyes, a calculating ability beyond human limits.



  1. Volume 5, Chapter 30
  2. Volume 5, Chapter 20