A girl who cannot see the faces of others—Rinne. Born into a family that makes a living by exorcising supernatural beings, Rinne is sent out on her first mission. But what awaits her is a foe far more alien and terrifying than anything she expected. Pushed to the brink, she is saved by a mysterious man named Jugemu.
From him, Rinne learns a shocking truth: All worlds, including the one she calls home— collectively known as the "Strike World"— are under grave threat.
As she journeys across these dying worlds alongside Jugemu, Rinne begins to form bonds she never thought possible... A girl who couldn’t see faces, begins to see what truly matters.