Hah, it's extremely far-fetched. I needed a reason to bring meth into the story because of a few of the storylines later on and I was stretching to get there. Maybe eventually I'll come up with a more plausible reason, but for now that's what we have.
One of the ideas I had with this game was that the central story was completely ridiculous, while in contrast I hope that the individual storylines with each of the girls feels very real and grounded. I don't know if the idea will work or not, but it's something that I'm just playing around with.