Ningyo no Yakata: vol. 2
So was working at the house of a millionaire, Katsuragi during the summer break. One day, he found a mysterious dollhouse in the attic. There were dolls that looked like people in the house. He found that the doll had a magical power to manipulate the person at his will, and he made the women his sexual slaves one after another not knowing it is the way to lead to the ruin.