Vampire Knight unfolds at Cross Academy, an elite school divided between a Day Class of ordinary students and a Night Class made up of vampires. Yuuki Cross and Zero Kiryuu serve on the disciplinary committee, keeping the two groups apart while protecting the academy's secrecy, but their duty becomes increasingly difficult as the balance between humans and vampires starts to fray. Yuuki is drawn back toward Kaname Kuran, the Pureblood vampire who once saved her, and that past connection complicates every decision she makes. At the same time, Zero's hatred of vampires and the pain he carries threaten to turn the fragile peace into conflict.
As hidden motives and old wounds surface, Vampire Knight follows the uneasy coexistence of humans and vampires through romance, mystery, and tragedy. The academy becomes the center of a larger struggle where loyalty, desire, and survival are constantly at odds, and where every alliance can shift the fate of both classes. Across the franchise, Cross Academy remains the stage for a story of attraction, trust, and the cost of living between two worlds.