Biblia Koshodou no Jiken Techou, ビブリア古書堂の事件手帖, Antiquarian Bookshop Biblia's Case Files, The Case Files of Biblia Bookstore, The Case Records of the Biblia Secondhand Bookstore
Biblia Koshodou no Jiken Techou is a mystery series where Shinokawa Shioriko, a young owner of a bookstore in Kamakura, unravel mysteries of ancient books that are taken there.
The story begins with a young man named Daisuke, who grew up practically without reading books due to a "phobia," brings the complete (and autographed) works of Natsume Soseki, Japanese writer of the Meiji era, inherited from his grandmother in the mysterious bookstore. Will the shy and introvert Shioriko solve the mystery of the books?
Last updated
Aug 30, 2026, 08:18 PM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
43.2
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 12 days ago
Top reasons
- Trailer reception (YouTube) - Official trailer has 259,802 views
- Crunchyroll Like Index - 742 likes / 753 reactions on recent episodes
- Key staff availability - Director Jun Nakai has no other concurrent active productions
Source runway looks tight, so near-term sequel odds are capped.
CourScore history
CourScore over time
Biblia Koshodou no Jiken Techou renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Biblia Koshodou no Jiken Techou getting a new season?
- According to Courcast's latest analysis, Biblia Koshodou no Jiken Techou has a 43% renewal probability. This score is updated daily and blends fandom momentum, streaming signals, source-material runway, and franchise history. Check back regularly for the latest forecast.
- Will Biblia Koshodou no Jiken Techou be renewed?
- Biblia Koshodou no Jiken Techou currently scores 43 out of 100 on Courcast. Signals driving this estimate include online discussion volume, sequel history within the franchise, and platform engagement data - all recalculated daily. Titles scoring above 70 are considered Very Likely to receive a continuation.
- What is Biblia Koshodou no Jiken Techou's renewal probability?
- Biblia Koshodou no Jiken Techou's CourScore is 43 as of the latest update. CourScore is Courcast's proprietary metric that aggregates over a dozen renewal signals - from source-material runway to social buzz - into a single daily-updated probability out of 100.
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | favorites | GLOBAL | 19 | Sep 6, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 2,863 | Sep 6, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 16 | Sep 6, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 11 | Sep 6, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 742 | Sep 6, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 6, 2026, 12:00 AM |
| filmarks | mark count | JP | 1 | Sep 6, 2026, 12:00 AM |
| filmarks | score mean | JP | 86 | Sep 6, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Sep 5, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Aug 30, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Sep 6, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 393 | Sep 6, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 36 | Aug 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| mal | members | GLOBAL | 3,322 | Sep 6, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 3,322 | Sep 6, 2026, 12:00 AM |
| mal | rating | GLOBAL | 7.72 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 539 | Sep 10, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 2 | Sep 10, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 7 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| mangacodex | manga latest volume sales | JP | 20,100 | Sep 6, 2026, 12:00 AM |
| mangacodex | manga volume trend pct | JP | -60.43 | Sep 6, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 12 | Sep 10, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | Sep 10, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 3 | Sep 10, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.49 | Sep 10, 2026, 12:00 AM |
| niconico | episode comments | JP | 1,651 | Sep 6, 2026, 12:00 AM |
| niconico | episode mylists | JP | 632 | Sep 6, 2026, 12:00 AM |
| niconico | episode views | JP | 75,305 | Sep 6, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 1,697 | Sep 6, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 10 | Sep 6, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 2.12 | Sep 6, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 8 | Sep 6, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 32 | Sep 5, 2026, 12:00 AM |
| x official jp | silent days | JP | 111 | Aug 14, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| youtube | trailer likes | GLOBAL | 8,715 | Sep 6, 2026, 12:00 AM |
| youtube | trailer views | GLOBAL | 262,780 | Sep 6, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |