The daughter of Souhei's mentor, and a first year student in the architecture department of N University. She is a beautiful young woman from a high-class family. She has excellent insight, powers of observation, and calculation skills, but sometimes her thoughts jump to extreme conclusions. She loves the sound of car engines and mystery novels. She hates dried shiitake mushrooms, but because she believes they are good for anemia, she enduringly eats them every day.