How many volumes does Shirokuro Nekuro have?

How many volumes does Shirokuro Nekuro have?
Shirokuro Nekuro has 4 volumes.
Is Shirokuro Nekuro completed?
As of now, Shirokuro Nekuro has finished.
When was Shirokuro Nekuro published?
Shirokuro Nekuro was published from February 10, 2011 to February 10, 2013.
What kind of manga is Shirokuro Nekuro?
Shirokuro Nekuro is a novel, originally from Japan.