A high school girl who is fascinated by fairy tales. Her parents bought a house and moved to the same town as Eris. Before her parents moved to the town, they were quite busy with work, which made Aki quite lonely. However, when she moved to the town, she greeted her neighbor Eris and found out that she was an angel, which excited her. Eris immediately took Aki into her home, and they talked and felt that they got along well. Aki promised not to tell anyone about this, but asked to meet Eris in his free time to be friends. After several days, they began to meet more often. Aki began to fall in love with Eris.