Nagumo has reddish-brown, somewhat voluminous hair kept in a ponytail which she seemingly never lets down. She has angular, auburn brown eyes and is of average build. She refuses to wear anything other than a t-shirt, denim shorts, and shoes without socks, either sandals or sneakers worn like slippers. When shoes aren't required, she prefers to go barefoot. Nagumo is generally inseparable from her blue hoodie, though she won't wear it with her work uniform, or to bed. It is revealed in Chapter