Kurumi is a student at an all-girls school named Aetheria Academy, as well as Kanai Wards only informant, following in the footsteps of her grandfather. She's a big fan of Master Detectives, and wants to help them in any way she can. She's very friendly and kind, as well as very, very supportive and caring. She wears a red and black schoolgirl uniform, as well as a grey raincoat to keep her dry from the never-ending rain of Kanai Ward. She has silver hair with a gray headband.