I’ve watched the first 6 episodes of this show, imo everything past episode 4 is really vague and hard to understand. I’ve read that I shouldn’t expect to understand it on my first watch but if I’m not enjoying it my first time through I’m not gonna torture myself by rewatching something I dont like a bunch of times to understand it. It also makes me feel dumb for not appreciating something deep like this, especially since it’s something that you’re actually supposed to think about while watching it. Credit where credit is due, it is definitely one of the most unique anime I have seen.
Finally managed to track it down! https://skapbadoa.com/2018/02/19/explaining-iwakura-lain/
The only good ressource I found apart from that link is the following 15-year-old website: https://www.cjas.org/~leng/lain.htm
This is it, this is the shit I’m talking about: