The main character is Hiroki Mikage, apparently nothing more than a gifted but unremarkable high school student, although this facade hides an almost physical Darkness, a profound sense of restlessness and dissatisfaction menacing his own sanity.
However this is merely the prelude to even darker events, when Hiroki, while going to school, notices a strange violet light coming from the riverbank beside the road and finds a mysterious violet gem(?) scintillating with an eerie inner light...
[Edited from a [url=http://www.jastusa.com/forums/viewtopic.php?f=16&t=4113]forum post[/url] by Baldo]