Zashiki-warashi

A spirit girl Vestal sprite who has a crush on Watanuki. Zashikiwarashi are prone to mischievous thoughts though this one is actually quite shy and sweet and very prone to crying those who make her cry will be attacked by her guardians a group of tengukarasu. She lives on a mountain with pure spiritual energy and as a result is vulnerable to evil energy. She is based on a spirit from Japanese folklore the zashikiwarashi accounting for her childlike naivety and innocence. Source: Wikipedia