Chapter seven of Melting Landscape is up on my website: http://www.hikagoyaoi.org/fanfic/meltinglandscape.html
I'd hoped when I started to write the chapter that I might squeak by with an R, but once I got into it there was no way to keep it under NC-17. If you don't want to read something that far up in rating, I doubt the next chapter will be completely incomprehensible without it, but it might be a long wait! ;)