FanCoreEarly data · Pixiv (SFW) + Danbooru

Touhou Project

東方東方Project
Legacy / doujin · Since 1996 · JP / Global
Current dynamics from Jan 1, 2026Data through Sep 29, 2026Sources: Pixiv (origin, safe-for-work only) · Danbooru (archive proxy)
Early data.Pixiv is read without login, so R-18 works are not counted. Danbooru mirrors work first posted elsewhere and is a lower bound. X is not collected yet. Fan music and producer MVs are a separate index that is not measured yet.
PeriodCompared with the previous equal period · data through Sep 29, 2026
Visual output◇ Experimental
2,027increased by 14.9 percent compared with the previous 7-day period+263 vs previous 7 daysNew human-made works on Pixiv tagged for this fandom. Safe-for-work only; AI works excluded.
Calculated
Medium confidence, show reasons
Medium confidence
  • Pixiv public search without login: safe-for-work works only, R-18 is not visible
visual_output@0.1
Active creators◇ Experimental
1,323increased by 14.3 percent compared with the previous 7-day period+166 vs previous 7 daysPixiv accounts that posted at least one human-made work. Accounts, not people.
Calculated
Medium confidence, show reasons
Medium confidence
  • Pixiv public search without login: safe-for-work works only, R-18 is not visible
active_creators@0.1
AI-generated share◇ Experimental
20.6%decreased by 1.8 percentage points compared with the previous 7-day period20.6% vs 22.4% previous 7 daysShare of works Pixiv flags as AI-generated. Kept out of the numbers above.
Calculated
Medium confidence, show reasons
Medium confidence
  • Pixiv public search without login: safe-for-work works only, R-18 is not visible
ai_share@0.1
Archive additions◇ Experimental
2,401decreased by 15.8 percent compared with the previous 7-day period−451 vs previous 7 daysPosts added to Danbooru for this fandom. A lower bound, not a count of original works.
Proxy
Low confidence, show reasons
Low confidence
  • Danbooru is an archive mirror: lower-bound proxy, not unique original works
  • One uploader accounts for 50% of posts in this window
archive_additions@0.1
Artist tags◇ Experimental
997increased by 7.7 percent compared with the previous 7-day period+71 vs previous 7 daysDistinct artist tags on those posts. A proxy for active creators, not accounts.
Proxy
Low confidence, show reasons
Low confidence
  • Danbooru is an archive mirror: lower-bound proxy, not unique original works
  • One uploader accounts for 50% of posts in this window
archive_artist_tags@0.1

Archive additions per day

Human (non-AI) Danbooru posts per UTC day, Sep 23 – Sep 29

0200400600Sep 23Sep 25Sep 26Sep 28Sep 29
Archive additions per day
Show data table (7 days)
DateArchive additions
Sep 29, 2026300
Sep 28, 2026288
Sep 27, 2026398
Sep 26, 2026370
Sep 25, 2026301
Sep 24, 2026319
Sep 23, 2026425
DanbooruProxyUpload date, not creation datearchive_additions@0.1