In The End, it seems that Lina's and Aco's attempt to *koff-koff* "screw the system" was an Epic Failure ..... unless perhaps they try going the Yuri Route.
Ah, and here is the continuation of the story of these two girls! Just a short 4 pager and there's no sex, but hey, it was an entertaining read indeed.
Great ending though! Haha, turns out he was just a regular client, and of course they'd send a female agent to check it out, right?