FanCoreEarly data · Pixiv (SFW) + Danbooru

Bocchi the Rock!

ぼざろぼっち・ざ・ろっく！
Anime · Since 2018 · 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
12decreased by 45.5 percent compared with the previous 7-day period−10 vs previous 7 daysNew human-made works on Pixiv tagged for this fandom. Safe-for-work only; AI works excluded.
Calculated
Low confidence, show reasons
Low confidence
  • Pixiv public search without login: safe-for-work works only, R-18 is not visible
  • Small sample: 12 (below 30)
visual_output@0.1
Active creators◇ Experimental
12decreased by 42.9 percent compared with the previous 7-day period−9 vs previous 7 daysPixiv accounts that posted at least one human-made work. Accounts, not people.
Calculated
Low confidence, show reasons
Low confidence
  • Pixiv public search without login: safe-for-work works only, R-18 is not visible
  • Small sample: 12 (below 30)
active_creators@0.1
AI-generated share◇ Experimental
52.0%increased by 14.9 percentage points compared with the previous 7-day period52.0% vs 37.1% previous 7 daysShare of works Pixiv flags as AI-generated. Kept out of the numbers above.
Calculated
Low confidence, show reasons
Low confidence
  • Pixiv public search without login: safe-for-work works only, R-18 is not visible
  • Small sample: 25 (below 30)
ai_share@0.1
Archive additions◇ Experimental
119increased by 65.3 percent compared with the previous 7-day period+47 vs previous 7 daysPosts added to Danbooru for this fandom. A lower bound, not a count of original works.
Proxy
Medium confidence, show reasons
Medium confidence
  • Danbooru is an archive mirror: lower-bound proxy, not unique original works
archive_additions@0.1
Artist tags◇ Experimental
70increased by 32.1 percent compared with the previous 7-day period+17 vs previous 7 daysDistinct artist tags on those posts. A proxy for active creators, not accounts.
Proxy
Medium confidence, show reasons
Medium confidence
  • Danbooru is an archive mirror: lower-bound proxy, not unique original works
archive_artist_tags@0.1

Archive additions per day

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

0102030Sep 23Sep 25Sep 26Sep 28Sep 29
Archive additions per day
Show data table (7 days)
DateArchive additions
Sep 29, 202616
Sep 28, 202614
Sep 27, 202625
Sep 26, 20265
Sep 25, 20269
Sep 24, 202629
Sep 23, 202621
DanbooruProxyUpload date, not creation datearchive_additions@0.1