"Porcelain Blood" by Tamlan Dipper

"Porcelain Blood" is a 2024 Cthulhu Mythos story by the British writer, Tamlan Dipper. The tale, which takes place in China in 1928, tells of a British Shanghai Municipal Police constable, who finds himself drawn into a strange investigation, involving of a room with no doors, a theft with no object, and a criminal who has committed no legislated crime.