Mashiro is described to be very beautiful and she also has a very slim physique. She has pale skin accompanied by red eyes and long pale blonde hair. She's 17. She's an excellent artist, but is extremely terrible at everything else due to lacking any common sense and her autism. She is almost completely devoid of emotion, typically wearing a blank expression and speaking in a dreary manner. She went through a lot with Sorata Kanda and developed a deep bond with him which made them into a couple.