Natsuki Anna is a canon teacher at Akademi High School. She teaches Classroom 1-2.
Natsuki has dark brown hair that is pulled into a spiky bun. Her eyes are light brown. She has large, circular glasses. She wears a white top with a black blazer, which is the teacher's uniform. Her bust size is 1.5.
Natsuki has the Strict persona. If Ayano points a camera at her face, she will give her a suspicious look. If she witnesses murder, she will chase Ayano and attempt to apprehend her.
Reina teaches the following students:
- Natsuki's name is a reference to the most popular female Japanese names in 2012, the 49th being Natuski and the 48th being Anna.