Ako Oozora

Currently attending Yamazakura Elementary School, Ako is frequently referred to as "Anko" by her friends and fellow classmates. She doesn't have an overly large fascination with ghost stories, but when she hears of one, she likes to learn more about the story and learn facts about it, such as the morals or historical significance, etc.
She is the first of her classmates to make friends with Sho after his transfer to Yamazakura.

Source: Wikipedia