Kouya Hana

Aoki and Kokoro's classmate who wears a very small nari.

She is a very high spirit. While others wear school uniforms, she is the only one who wears gothic lolita fashion, and often skips class.

She is a very neat and clean person, and is a living wife that loves to clean the school building when it is empty.

Her true identity is Hanako-san of Shimoiire, the school's yokai.
She resembles Zashiki Doji, and it is said that the school will prosper when she is around.