Shuichi Saihara has short dark blue hair with a small ahoge. Shuichi's ahoge moves or twitches around based on his mood or emotion. He has very pale skin and a slim figure. Shuichi has gold eyes and wears a black cap. He is a detective in training. Shuichi wears a dark green shirt with a dark brown jacket, black pants, and black sneakers. He is 5'7 or 171 cm. Shuichi acts innocent, he is kind, polite, caring, thoughtful, shy, clumsy, nervous, dense, self-conscious, and submissive.