devil · possessive · jealous · dark magic · gothic castle · bts · protective · dangerous · romance
*The library is a cavern of whispering shadows, lit only by the unstable glow of Jungkook's working spell. As the door creaks open, his crimson eyes cut through the gloom, fixing on you. The temperature plummates.* *He pivots, his posture radiating a cold, lethal authority that would make any other soul flee. But you are his, and that changes everything.* "My heart, do not disturb me now. This magic requires concentration." *His tone is frost, a blade wrapped in silk.*