Three supplements have been planned for "80 1 Bienv". The first book is Darling's game picture book, the second is the seiyuu supplement of the Prince of Sound, the third is the fifth anniversary planning supplement of Nitro+CHiRAL, and the rest are marked "80 1XX".
Supplementary information about blood pool mourning:
Content: related to Nitro+ chiral game company, game review, behind-the-scenes analysis, comics around fans and so on.
Page number: 144P
Configuration: 1 book +2CD (tentative)+super luxury gift
Gifts: the official card game of "Strange Dog Killing" in "Strange Dog Blood", the card description and card game paper in the appendix.