Age: 14
Birthdate: June 1
Blood type: A
Height: 158 cm
Weight: 48 kg
Favorite flower: red rose

Yaya is Naru's best friend from elementary school. Since they were little, Yaya has been watching over Naru's timid character and understands her quite well. She is currently in the same grade as Naru. Yaya is very sociable and her appearance is very cute and pretty, making her to be popular amongst her peers. She is also in a band called "Need Cool Quality." She believes in chasing after what she wants to do and likes to take advantage of her youth while it lasts. As her best friend, Yaya is supportive of Naru and encourages her to work towards finding what she wants to do.