Natsume's twin sister, Elu has long blonde hair and is one of the twins Maya and Megumi encountered while boarding the train to the city. Compared to her sister, Elu has a very kind personality.

Spoiler

Later in the story, she becomes Maya's classmate. When she meets Maya at school, she explains that she tries to play herself off as cool so she doesn't have to interact with people, out of fear she'll never meet them again with how much she and Natsume move houses.