Age: 16 years old
Height: 163 cm
Weight: 52 kg

She is the twin sister of Kotone and the younger of the two. Akari has an ill attitude toward Junpei in the beginning because of her sister's crush on him. This changes when she herself has a crush on Junpei. Akari has the ability to sense supernatural activity which is seen when she tells Junpei that she can see spirits and knows he was cursed. Only Akari and her sister Kotone know that Junpei is cursed.