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Courcast is still in active development - features and data may shift while we polish the experience.

Guraburu! banner
Guraburu!
Aliases

Guraburu!, Grand Blues!, ぐらぶるっ!, Grablu!

S8FALL 2020TV_SHORT
concluded
Announced
In production
Releasing
Completed

Grand Blues!

Guraburu!

XReddit
Set in the grand blue skies up above, the depths of darkness, elder sisters, knights, gentlemen, Vyrn lovers― all the colorful crew members will get to shine in a whole new light! "Kept you waiting, huh? It's time for you to see our final forms!" Join us and take flight to the world in the skies!

(Source: Crunchyroll)

Last updated

Jul 28, 2026, 12:19 AM

Franchise overview

Franchise timeline

Review every Courcast-tracked season for this series and jump between entries.

Renewal pulse

Courcast score breakdown

CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.

CourScore

57.9

CourScore is the probability of an official sequel announcement within 18 months.

Signal coverage: 100% Signal freshness: High Updated 17 hours ago

Top reasons

  • Source runway - Source material runway assessed as 'ok'
  • Studio bandwidth - DMM.futureworks has no other concurrent active productions
  • BD/DVD sales per volume (MangaCodex) - This season's discs averaged 26,100 copies per volume
Runway
Ok

Source runway looks healthy for a continuation.

Financial & Commercial61
Production Feasibility64
Audience Reception75
Strategic Priors31
Fandom Engagement21

CourScore history

CourScore over time

Last analysedJul 28, 2026, 12:19 AM
Next scheduled11 hours ago
Renewal FAQ

Grand Blues! renewal questions

Common questions about this title's renewal prospects, answered by Courcast's daily analysis.

Is Grand Blues! getting a new season?
According to Courcast's latest analysis, Grand Blues! has a 58% 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 Grand Blues! be renewed?
Grand Blues! currently scores 58 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 Grand Blues!'s renewal probability?
Grand Blues!'s CourScore is 58 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.
Latest signals

Fresh telemetry

Courcast watches every connected signal to surface the freshest indicators of momentum.

SourceMetricGeoValueCollected
niconicoepisode mylistsJP254,427Jul 20, 2026, 12:00 AM
crunchyrollepisode dislikesGLOBAL33Jul 20, 2026, 12:00 AM
crunchyrollepisode likesGLOBAL447Jul 20, 2026, 12:00 AM
niconicoepisode commentsJP722,484Jul 20, 2026, 12:00 AM
crunchyrollepisode countGLOBAL12Jul 20, 2026, 12:00 AM
tmdbvote countGLOBAL9Jul 22, 2026, 12:00 AM
mangaupdatesbayesian ratingGLOBAL8.3Jul 22, 2026, 12:00 AM
kitsufavoritesGLOBAL1Jul 22, 2026, 12:00 AM
anilistaverage scoreGLOBAL54Jul 22, 2026, 12:00 AM
crunchyrollseries availableGLOBAL1Jul 20, 2026, 12:00 AM
niconicoepisode viewsJP28,381,945Jul 20, 2026, 12:00 AM
youtubetrailer viewsGLOBAL263,539Jul 22, 2026, 12:00 AM
justwatchjp platform countJP2Jul 20, 2026, 12:00 AM
wikipediapageviews dailyEN.WIKIPEDIA17Mar 30, 2026, 12:00 AM
kitsuscore meanGLOBAL58.85Jul 22, 2026, 12:00 AM
shikimorimember countGLOBAL1,713Jul 22, 2026, 12:00 AM
filmarksscore meanJP66Jul 20, 2026, 12:00 AM
shikimoricompletion ratioGLOBAL0.28Jul 22, 2026, 12:00 AM
redditthreads 7dGLOBAL5Jul 22, 2026, 12:00 AM
anilistpopularityGLOBAL6,129Jul 22, 2026, 12:00 AM
filmarksmark countJP98Jul 20, 2026, 12:00 AM
redditcomments 7dGLOBAL635Jul 22, 2026, 12:00 AM
youtubeviews 7dGLOBAL20,721Jun 29, 2026, 12:00 AM
youtubeuploads 7dGLOBAL25Jun 29, 2026, 12:00 AM
anilisttrendingGLOBAL0Jul 22, 2026, 12:00 AM
redditscore 7dGLOBAL3,921Jul 22, 2026, 12:00 AM
xfollowers countGLOBAL983,723Jul 22, 2026, 12:00 AM
youtubechannel views totalGLOBAL0Jun 29, 2026, 12:00 AM
youtubeviews 30dGLOBAL20,721Jun 29, 2026, 12:00 AM
youtubeuploads 30dGLOBAL25Jun 29, 2026, 12:00 AM
youtubesubscribers totalGLOBAL0Jun 29, 2026, 12:00 AM
redditthread countGLOBAL5Jul 22, 2026, 12:00 AM
redditmentions 7dGLOBAL5Jul 22, 2026, 12:00 AM
anilistfavoritesGLOBAL35Jul 22, 2026, 12:00 AM
kitsumember countGLOBAL850Jul 22, 2026, 12:00 AM
malplan to watchGLOBAL7,218Jul 22, 2026, 12:00 AM
redditmentions 1dGLOBAL1Jul 22, 2026, 12:00 AM
shikimoriscore meanGLOBAL58Jul 22, 2026, 12:00 AM
x official jpsilent daysJP703Jul 22, 2026, 12:00 AM
simklscore meanGLOBAL51Jul 20, 2026, 12:00 AM
kitsurating rankGLOBAL12,100Jul 22, 2026, 12:00 AM
malmembersGLOBAL15,926Jul 22, 2026, 12:00 AM
malwatchingGLOBAL1,215Jul 22, 2026, 12:00 AM
mangadexsource status codeGLOBAL2Jul 22, 2026, 12:00 AM
tmdbpopularityGLOBAL3.26Jul 22, 2026, 12:00 AM
malcompletedGLOBAL6,042Jul 22, 2026, 12:00 AM
mangacodexbd sales avgJP26,100Jul 25, 2026, 12:00 AM
annratingGLOBAL6.45Jul 18, 2026, 12:00 AM