A long time ago in the 90s, there was a myth that one rich family that lived in a mansion was a pervert family. The family was known as "The Kawarazaki Family". This family has been known for a long time of sexual acts that the children and the family did. This family was known in Japan as " The Sexy Family", and the name gathered controversy. One day in Tokyo, Sachiko met a parttime servant worker for the Kawarazaki family named Rokurou. Sachiko thought that Rokurou should work for the family. And Rokurou gladly accepted, as long as the family wasn't suspicious and disgusting. Rokurou went to the house at 1:00AM, and a 17-year-old girl named Rei opened the door disgusted. She said that Rokurou was a stupid servant and she rudely let him in. Rokurou was ready for the job. But what he doesn't know is the family has some disturbing secrets and acts.. Will Rokurou survive the family and let Rei live with him while the family was arrested? Let's see.