Mayu shakes at a small bar on behalf of her ailing father. One day, Katayama, a real estate broker, visited the store and said, "This building is for sale, so I came to see." This man is truly a powerful demon who constantly makes noise in the world. He is profiting by haggling to bargain by causing a strong breakdown in a property being negotiated for sale. Kataoka, who was looking for a woman while previewing the property that day, set his sights on Mayu as his next target.
