There isn't a reason. The thing that brings us here is malfunctioning. It's why we're here apparently.

[Frau really isn't all that bothered by the fact that he's here. The only thing really going for him at home is Teito, and since he's been living off the belief that time is standing still at home it's been okay. Besides, there's more porn here.]

Don't try to dig too deeply. You'll get in trouble.