A main character in Steins;Gate. She has long brown hair and glasses. She wears a white dress shirt and a black skirt held with a belt with a checkered buckle.
Her preferred method of communication is via text message, so she is very protective of her cellphone.
In some worldlines she is a Rounder working for SERN under the codename M4.
Also known as Shining Finger (閃光の指圧師).