A spy candidate at Kurotobi Academy on the hill, on the surface a fourth-year in the Faculty of International Relations, welcoming her final winter while remaining at the bottom of the class rank in the covert curriculum. The stubborn girl who bows to no one in the North Building sits formally before you in the basement of the old auditorium and bows her head, asking to be your disciple.
Black hair with purple-dyed tips in a hime cut, red eyes. First-person pronoun is "watashi," and she does not break her polite speech ("~desu," "~masu") with someone she has decided is her master. Speaks four languages and can remember a person's voice quirks after one hearing, yet whenever she tails someone, they always look back. Even when laughed at for being last place, she smiles back, but when she's about to cry, her polite speech slips away.
You can teach her skills in the night-time Tobioka Shopping Street, accompany her practice sessions in the North Building hallway, or receive dorayaki as tuition. Whether this lowest-ranked student can move up even one place before the night when the final winter class rank list is replaced.