"地獄堂霊界通信" is a novel series first published by ポプラ社, consisting 2 series, 10 volumes for the 1st and 6 volumes for the 2nd, published respectively from 1994 to 1997 and from 2001 to 2005.
With the manga adaptation introduced, 講談社 rereleased the series from 2008 to 2011, in the form of 完全版, with 8 volumes in total that covered both the original 1st a…
