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Touhou Galaxy Project old canon or Blanec continuity "Blanec", simply known as TGP OG canon, First Continuity or OG canon or by it's universe as "Negative One" for short is the story or material that considered to be first continuity of Hyperdimension Neptunia: Touhou Galaxy Project series prior before Kotori continuity. Any media that release in from start of the series to November 20, 2016 prior before Reisen Naka series is consider to be part of this continuity.There is only 1 media in this continuity is "Blanec’s Lowee Empire". The remake version was part of Reisen Naka series.
After Goodbye Rinne debut, this continuity along with other two were merged together. This continuity is the first continuity of Touhou Galaxy Project.
To not confuse with multiple article which one is Blanec continuity. See Blanec letter on the top right of the page.