Isami Hanaoka

Isami Hanaoka is a fifth-grader who returns from the United States to attend Oh-Edo Elementary School. She excels at academics and sports and is descended from Issaku of the Shinsengumi Hatsumeitai. With Toshi, Soushi, and Kei, she fights villains using the Ryu no Tsurugi, whose hexagonal hilt can produce a blade of light.