A ○ female student studying at the private Gotoku Academy. Raised in a good family, she is smart and has a cute appearance, but is a lonely wandering girl and is very strong in battle. Additionally, she has a terrible secret. A member of the National Security Bureau's Girls Bravo secret investigation team, or in other words, a secret investigator for girls. Girls Bravo is a team formed to expose hard-to-catch criminals hiding in the city from the perspective of young people.