Aliases
Cluster Edge (OVA), Cluster Edge Specials, CLUSTER EDGE: Secret Episode, クラスターエッジ ~Secret Episode~, CLUSTER EDGE Secret Episode
FALL 2006OVA
Branch
Part of this franchise
concluded
Announced
In production
Releasing
Completed
Three specials released with DVD volume 9 of the TV series.
Episode 1: The Day of Gathering
Past event about Chalce and Chrome's group, of how the three youngest members came to join them.
Episode 2: White Footmarks
Past event about Chalce transfer into Cluster E.A, his meeting with Hema and how he elicted the hatred from the competitive Vesuvia.
Episode 3: Wings of Freedom
A strange girl appears in Cluster E A, looking for Fon. Is she there for a visit or something else? Will she find her answer amongst Fon and his friends?
Episode 1: The Day of Gathering
Past event about Chalce and Chrome's group, of how the three youngest members came to join them.
Episode 2: White Footmarks
Past event about Chalce transfer into Cluster E.A, his meeting with Hema and how he elicted the hatred from the competitive Vesuvia.
Episode 3: Wings of Freedom
A strange girl appears in Cluster E A, looking for Fon. Is she there for a visit or something else? Will she find her answer amongst Fon and his friends?
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
12.5
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: Medium • Updated 11 hours ago
Top reasons
- Committee renewal track record - Lead committee members (Sentai Filmworks) have a smoothed catalogue continuation rate of 16%, above the catalogue average of 14%
- Titles like this rarely return - 20 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
- Time since finale - ~242 months since estimated air window ended
Runway
Anime original
This is an anime original, not an adaptation, so there is no source material to run down - renewal turns on sales and popularity rather than runway.
Financial & Commercial29
Production Feasibility27
Audience Reception27
Strategic Priors38
Fandom Engagement34
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:23 AM
Next scheduledin 13 hours
Renewal FAQ
CLUSTER EDGE: Secret Episode renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is CLUSTER EDGE: Secret Episode getting a new season?
- According to Courcast's latest analysis, CLUSTER EDGE: Secret Episode has a 12/100 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 CLUSTER EDGE: Secret Episode be renewed?
- CLUSTER EDGE: Secret Episode currently scores 12 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 CLUSTER EDGE: Secret Episode's renewal probability?
- CLUSTER EDGE: Secret Episode's CourScore is 12 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 | 45 | Oct 20, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 1 | Oct 20, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 304 | Oct 20, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 20, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 14 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 12,725 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 128,919 | Sep 15, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 15, 2026, 12:00 AM |
| filmarks | mark count | JP | 37 | Oct 20, 2026, 12:00 AM |
| filmarks | score mean | JP | 62 | Oct 20, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 19, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Oct 11, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Oct 11, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Oct 20, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 181 | Oct 20, 2026, 12:00 AM |
| mal | completed | GLOBAL | 524 | Oct 20, 2026, 12:00 AM |
| mal | members | GLOBAL | 1,543 | Oct 20, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 810 | Oct 20, 2026, 12:00 AM |
| mal | watching | GLOBAL | 67 | Oct 20, 2026, 12:00 AM |
| comments 7d | GLOBAL | 121 | Oct 20, 2026, 12:00 AM | |
| mentions 1d | GLOBAL | 1 | Oct 6, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 1 | Oct 20, 2026, 12:00 AM | |
| score 7d | GLOBAL | 248 | Oct 20, 2026, 12:00 AM | |
| thread count | GLOBAL | 1 | Oct 20, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 1 | Oct 20, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.15 | Oct 20, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 160 | Oct 20, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 65 | Oct 20, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 63 | Oct 20, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 0.44 | Oct 20, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 2 | Oct 20, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 14 | Jun 6, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 260,870 | Jun 17, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 1,290 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |