Kaede Tenjouji

Hakureiryou Academy's principal whose hobbies include playing eroge even at work. Her otaku tendencies lets her react to situations similar to what she sees in her games with excitement, usually leading to more misunderstandings. To keep her focused at more serious matters, she is often reprimanded by Mikan-sensei, who she is afraid of. She also sponsors the anime "Magical Diva" and as such has a large collection of items related to the anime including the original manuscript.

(Source: Wikipedia)