Egawa loves to wear a formal suit, consists of a black coat with a white collared blouse underneath, a light tan pencil skirt and a pair of black high heels. Egawa had a little bit of temper in which she seemed to have a tic where she would put up her glasses every few moments or so. However, she is shown to be reliable and levelheaded in her work once complimented by Ranpo Edogawa.