Narin, an ordinary young man, is transported to a post-apocalyptic world full of horror and evil. But he discovers that his eyes can see "the other side of the world." In everyone else's eyes, these beings are S-rank ghosts or terrifying, blood-soaked ghost kings—but in his eyes, they become beautiful women with wildly different personalities: a stunning hottie, a super-sexy older sister, or an adorable loli.