《我的邻居睡不着》韩剧

On the spine, black and slender barbs grew out of the flesh, and the nails became pitch black, elongated, extremely sharp, and emitted a faint cold light. A bone vertebra that is as black as ink and has a murderous aura slowly protrudes from the tail vertebrae. The vertebra tip is so sharp that it seems to be able to penetrate everything in the world....