In a world where humans and monsters coexist...

The Katananomikoto, who wields the divine sword, and the Saya-Miko, a shrine maiden who channels divine power into that blade—together, they’ve protected the world from monsters and have been revered for generations.

Saki was born the eldest daughter of the prestigious Saya-Miko clan, destined to inherit their sacred power. Yet, she was the only one born without any ability. Scorned as a “useless Saya-Miko,” constantly compared to her gifted younger sister, she lived a life of rejection and humiliation.

Clinging to the words of her late grandmother—her only ally—Saki endured in silence.
Until one day, her sister’s scheme leaves her vulnerable, and she is attacked by a monster.

Just as death closes in, a man appears: Suguru, the strongest Katananomikoto of all.
And with their fated encounter, the wheels of Saki’s destiny begin to turn...