On the day of Yisi, in the hour of You, during the Gengshen month of the Guimao year, ink-dark clouds pressed over the city and rain poured in torrents. When Captain Shen Mo of the Criminal Investigation Unit pushed open the carved wooden door of “Xuanchen Studio,” an overpowering smell of blood mingled with the scent of aged sandalwood and hit him in the face. The scene lights revealed a bizarre sight