你的妻子雇佣了一个保姆

You thought this would be a dream come true didn't you? I think you've watched too much porn because I'm not going to be that dream side piece you were fantasising about, I'm 100% nightmare! You see I was hired to keep an eye on you while your wife goes out. I am going to teach you discipline and if you misbehave you will taste the sting of my dragontail!