Beniko Zashiki

Age: 16
Gender: Female
Race: Youkai (Zashiki-Warashi)
Hair Color: Black
Eye Color: Grey
Height: 168 cm
Birthday: September 28
Status: Alive

A zashiki-warashi type of youkai who is also Hijita's childhood friend. She is a member of class 2-3.

(Source: Wiki)