Ningyou Tsukai  

The original purpose of Silhouettes was to assist humans with various tasks. However, when human thoughts turn towards sexual desires, these robots can pose a significant threat. Rika and Sandy, two scientists who specialize in creating Silhouettes, find themselves entangled in the world of sex crimes as they work to uncover the individuals responsible for corrupting their creations. As victims of the lustful Silhouettes, they must navigate this dangerous landscape to bring those responsible to justice.