Kirigakure Mandala

The first case: Throat-slitting in the secret room of the greenhouse: Qin Haisheng, the owner of the villa, was found dead in a locked glass greenhouse. The doors and windows were locked, and the only key was in his pocket. The deceased held a black mandala flower in his left hand, which was the serial signature left by the murderer. ·Case 2·Fall in a secret room in the snow: Entrepreneur Zheng fell from the bell tower, and the scene was a complete snowfield without any footprints. Next to the deceased, there was also a black mandala. ·The third case·Cardiac paralysis in a double secret room: The novelist Bai died of cardiac paralysis in the guest room. The door was locked, the window was locked from the inside, and there was a cliff outside the window. The syringe was left at the scene and the fingerprints on it pointed to an unlikely person.