Touka Kamiazuma inherited his clan’s duty to protect the magical land of Kamitsumihara when he discovered his body holds Sekiken, a mythical stone sword, but his connection to the land only deepens when he meets the strangely intriguing Momoka Kawakabe. Inexplicably drawn to one another, soon destiny’s inescapable threads pull Touka and Momoka into a web of dark secrets and ancient tragedies that will bring an ancient legend to life and change the face of Kamitsumihara forevermore.