Hiiragi

Hiiragi (柊 Hiiragi), or Hii-chan to her friends, is a girl in Naozumi Tsuchida's class who became friends with Anzu and Koume during the start of the semester.

Appearance
Hiiragi is a very cute girl with blue hair that is tied in a ponytail, bangs hanging over the left side, big blank blue eyes and her mouth is never shown whenever she is speaking. Hiiragi dresses in random costumes in certain episodes, and when someone compliments them, she acts out the costume she is wearing.

Personality
Hiiragi is a very intelligent and knowledgeable girl, but she is easily embarrassed.

Trivia

 * Hiiragi's father calls her Hii.
 * He also works at a scientific lab