Pretty hard to say something about this. Not a fan of the book, much less of the movie, even less of the TV series, it's unlikely that a manga adapting the same story would fall to my taste. With that being said, along with the movie, probably cuts down a lot of unecessary parts, and gets to the point really quickly, only 6 chapters, that's a really short reading. The art it's as good as the first Ringu's manga series, it works for what it wants to do, but not really something special. So, the story is the same. Weird plot, ridiculous ending and lack ofsome good continuity.
If you want to experience Rasen, this should be your pick, but at the same time, I wonder, why the hell would you want to read or watch Rasen? Is pretty much garbage.