Aliases
Mouryou no Hako - Hako no Yuurei no Koto, The Case Files of Atsuko Chuzenji: 'The Case of the Spirits in the Boxes', Chuzenji Atsuko no Jikenbo 'Hako no Yuurei no Koto', Mouryou no Hako Special, 魍魎の匣, Mouryou no Hako: Chuuzenji Atsuko no Jikenbo - Hako no Yurei no Koto, 魍魎の匣～特別編 中禅寺敦子の事件簿「箱の幽霊の事」
SPRING 2009SPECIAL
Branch
Part of this franchise
concluded
Announced
In production
Releasing
Completed
A side story that reveals the investigative notes that Atsuko, the younger sister of the main character Akihiko Chuzenji, wrote about the brutal dismembering incidents in the main story.
(Source: Anime News Network)
(Source: Anime News Network)
Last updated
Oct 28, 2026, 06:23 AM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
16.6
CourScore measures renewal signals out of 100. It is not a calibrated probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 9 hours ago
Top reasons
- Domestic episode engagement (Niconico) - 2,090,893 episode views on Niconico (JP domestic)
- Cohort rating percentile - 54th percentile within season cohort
- Titles like this rarely return - 17 years with no new entry: of OVAs and specials (first entries) in that position, under 1% got a new season or film within 10 years
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial38
Production Feasibility27
Audience Reception55
Strategic Priors36
Fandom Engagement50
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:23 AM
Next scheduledin 15 hours
Renewal FAQ
Mouryou no Hako Special renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Mouryou no Hako Special getting a new season?
- According to Courcast's latest analysis, Mouryou no Hako Special has a 17/100 renewal signal score. 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 Mouryou no Hako Special be renewed?
- Mouryou no Hako Special currently scores 17 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. Scores from 70 indicate strong renewal signals; scores from 85 are labelled very likely.
- What is Mouryou no Hako Special's renewal probability?
- Mouryou no Hako Special's CourScore is 17 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 signal score out of 100.
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | average score | GLOBAL | 61 | Oct 13, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 5 | Oct 13, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 1,811 | Oct 13, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 13, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 12 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 16 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 3,365 | Sep 15, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 15, 2026, 12:00 AM |
| filmarks | mark count | JP | 614 | Oct 13, 2026, 12:00 AM |
| filmarks | score mean | JP | 76 | Oct 13, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Sep 14, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Sep 6, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Oct 13, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 881 | Oct 13, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 7,347 | Oct 13, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 67.62 | Oct 13, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 10 | Aug 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 5,429 | Oct 13, 2026, 12:00 AM |
| mal | members | GLOBAL | 7,753 | Oct 13, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 1,967 | Oct 13, 2026, 12:00 AM |
| mal | rating | GLOBAL | 7.27 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 2,762 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Aug 27, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 5 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 147 | Oct 13, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 10 | Oct 26, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | Oct 26, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 5 | Oct 26, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.18 | Oct 26, 2026, 12:00 AM |
| mfc | entry likes | GLOBAL | 16 | Oct 23, 2026, 12:00 AM |
| mfc | figures total | GLOBAL | 2 | Oct 23, 2026, 12:00 AM |
| mfc | goods total | GLOBAL | 1 | Oct 23, 2026, 12:00 AM |
| mfc | media total | GLOBAL | 17 | Oct 23, 2026, 12:00 AM |
| mfc | merch total | GLOBAL | 20 | Oct 23, 2026, 12:00 AM |
| niconico | episode comments | JP | 79,616 | Oct 13, 2026, 12:00 AM |
| niconico | episode mylists | JP | 20,151 | Oct 13, 2026, 12:00 AM |
| niconico | episode views | JP | 2,090,893 | Oct 13, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.57 | Oct 13, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 1,480 | Oct 13, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 65.6 | Oct 13, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 5.45 | Jun 23, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 18 | Jun 23, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 14 | Jun 6, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 36,144,520 | Jun 27, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 42,100 | Jun 27, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |