Intruders Alert

Unknown relatives from my mother's side has come all the way from Malaysia and are now invading my house. Threat to the privacies of both my father and I, both of us who are always half-naked in house, and are now seeking protection in my bedroom, protected by a locked door to which they can always open outside with keys.

I think I have to follow Kira from Death Note and put some lead from a mechanical pencil on the hinge so I know whether anyone comes into my sacred room or not.

Of course, my bedroom is sacred, like Zell's from Final Fantasy VIII.