In a world where shadows loom and monsters endanger the innocent, Haruto Raikou is an ordinary high school student leading a mundane life. But everything changes on the last day of school when he witnesses a terrifying scene: a group of sinister figures trying to kidnap his crush. In a desperate bid to save her, Haruto finds himself in a violent confrontation that leaves him teetering on the edge of death.
When he awakens, he discovers his life has taken a dark turn. Reborn in a realm teeming with demons and monsters, Haruto is plunged into a perilous journey. He joins a club dedicated to hunting these malevolent creatures, determined to protect those he cares about. However, a fateful mission in a treacherous cave results in an unexpected disaster, forcing Haruto to confront his deepest fears.
As the line between hunter and hunted blurs, Haruto must navigate his new reality as a half-demon, grappling with newfound powers and the weight of his choices. Will he embrace the darkness within him or fight against it to become the hero he longs to be?
