Crossing the Cycle of Rebirth

This is a mystery novel about three people who die in accidents and become reincarnators. To become human again, they must return to the human world and find a certain number of ghosts who cannot reincarnate because of their resentment. The male lead, Chen Fan, is a senior biology student who focuses wholeheartedly on his studies. The female lead, Lin Bin Jia, is a clever and lively detective-fiction enthusiast. The second female lead, Xu Yi, is a mature and levelheaded lawyer.

Theme: It turns out there are no ghosts in this world. They simply miss someone too much to leave, but because they look so frightening, other people call them ghosts.