Kurumi is a girl attending an all-girls school known as 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 kind and friendly, 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 Kanai Wards never-ending rain. She has silver hair with a grey headband, as well as blue eyes.