"Kou-chan...Working at your part-time job late at night again weren't you?"
- —Shiori's quote, Tokyo Xanadu
Kou’s neighbour, childhood friend, and classmate. She is reserved, but strong at heart. Since Kou began living on his own, she has been worried about his private life and acts like a mother to him at times. She had a normal life, but gets caught up in an incident involving the Other World.