By the way, for anyone curious about the "cell phone novel" aspect of this series, thought you might be curious to know that they aren't limited to Japan anymore.
There is an English website called TextNovel that is trying to bring the format over.
Here's an example of one of their top series (it's a romantic comedy with dashes of supernatural):
Click Here
I wonder though if the format could do well in America, considering the overall low reading levels currently existing. Oh well.
Also, I really hope they license this series.