Niwa Aiko

Likes: Spiritual tools and solid perfumes
Dislikes: Animals
Hobbies: Collecting spiritual tools and confirming the balance of her bank account

A student from Paulownia Academy class 3-5. Aiko is an informer with an interest in spiritual items and money. She has sympathy for Sachiko, and is a third-year student at Paulownia Academy. She's often in conflict with Naho Saenoki. As described by her, Aiko is a gossip interested in other people's private lives, using her spiritual powers to find out more about them. She is also the younger sister of Kuon, whom she is envious of.