Kagami Takeda desperately seeks solitude to protect others from the destructive madness she barely contains. Her link to the Radiance, a divine and unforgiving source of light, has already shattered her family and granted her lover unsettling powers and premonitions. However, shadowy occult groups are determined to exploit her connection, while the Radiance itself has manifested a deadly adversary capable of ending her life and unleashing its destructive power upon an unsuspecting city.

The premise sets up a high-stakes conflict between a protagonist with dangerous, uncontrollable power and external forces seeking to exploit it. The narrative appears to blend elements of dark fantasy with supernatural horror, focusing on the internal struggle of the protagonist against both her own nature and external threats. The description suggests a fast-paced plot driven by pursuit and the looming threat of widespread destruction, likely appealing to readers who enjoy intense, character-driven supernatural thrillers.