A red-haired swordwoman. She is one year older than Yuka and Kakeru. She is an Onmyoji from the Kusakabe clan. A clan of Onmyoji that is famous for having Oni's blood in the bloodline and the five demonic swords known as Kusakabe's Five Treasures. All five swords are in Misuzu's procession right now and she keeps them in her finger nails via dimensional magic that she learnt from forbidden scrolls that was created by one of her ancestor who learnt and incorporated Western magic, Kusakabe Ryoichi. (Source: Wikipedia)

Spoiler

Later, she develops a crush on Kakeru.