"Gah... I hate trains."
The Girl with Lifeless Eyes, whose real name is Nataka Kurokawa (黒川ナタカ) is a person who appears at the beginning of Mogeko Castle, sitting on the train beside the Girl with Flashy Hair. She hates trains, she hates buses more, but she likes bikes.
The Girl with Lifeless Eyes has shorter black hair and big, grayish-black eyes. She wears a black vest, a white collared shirt underneath, and a red tie.