concluded
Announced
In production
Releasing
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To commemorate the 25th anniversary of the ONE PIECE TV anime: an animated adaptation of the "ONE PIECE novel: Mugiwara Stories".
Two years after the Paramount War, the Straw Hats are about to reunite on the Sabaody Archipelago. At the same time, a girl who is head over heels for Nami is trying to hand a fan letter to her before the group leaves the island.
(Source: Crunchyroll)
Two years after the Paramount War, the Straw Hats are about to reunite on the Sabaody Archipelago. At the same time, a girl who is head over heels for Nami is trying to hand a fan letter to her before the group leaves the island.
(Source: Crunchyroll)
Last updated
Aug 31, 2026, 01:34 PM
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
20.0
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 11 days ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 88.8
- Cross-platform popularity index - Aggregate reach of ~39,396 followers
- Crunchyroll Like Index - 113,116 likes / 115,181 reactions on recent episodes
Runway
Feasibility warning
NoneSource material looks exhausted, so near-term sequel odds are capped.
Near-term probability is capped at 20% until confirmed evidence lands.
Financial & Commercial77
Production Feasibility33
Audience Reception72
Strategic Priors45
Fandom Engagement45
CourScore history
CourScore over time
Last analysedAug 31, 2026, 01:34 PM
Next scheduled10 days ago
Renewal FAQ
ONE PIECE FAN LETTER renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is ONE PIECE FAN LETTER getting a new season?
- According to Courcast's latest analysis, ONE PIECE FAN LETTER has a 20% 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 ONE PIECE FAN LETTER be renewed?
- ONE PIECE FAN LETTER currently scores 20 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 ONE PIECE FAN LETTER's renewal probability?
- ONE PIECE FAN LETTER's CourScore is 20 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.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | average score | GLOBAL | 90 | Sep 2, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 3,253 | Sep 2, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 57,671 | Sep 2, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 2 | Sep 2, 2026, 12:00 AM |
| ann | rating | GLOBAL | 7.64 | Aug 29, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 1,220 | Sep 2, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 2,302 | Sep 2, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 106,018 | Sep 2, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 2, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 42 | Sep 1, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 49 | Aug 23, 2026, 12:00 AM |
| jikan | rating | GLOBAL | 9.21 | May 23, 2026, 12:00 AM |
| jikan | source favorites | GLOBAL | 126,134 | May 23, 2026, 12:00 AM |
| jikan | source members | GLOBAL | 699,372 | May 23, 2026, 12:00 AM |
| jikan | source status code | GLOBAL | 2 | May 23, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 23 | Sep 2, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 1,795 | Sep 2, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 25 | Sep 2, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 85.81 | Sep 2, 2026, 12:00 AM |
| mal | completed | GLOBAL | 141,940 | Sep 2, 2026, 12:00 AM |
| mal | members | GLOBAL | 165,123 | Sep 2, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 15,339 | Sep 2, 2026, 12:00 AM |
| mal | rating | GLOBAL | 9.21 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 705,720 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 2 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 6,455 | Sep 2, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 2 | Sep 10, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 8.89 | Sep 10, 2026, 12:00 AM |
| niconico | episode comments | JP | 2 | Sep 2, 2026, 12:00 AM |
| niconico | episode mylists | JP | 6 | Sep 2, 2026, 12:00 AM |
| niconico | episode views | JP | 3,441 | Sep 2, 2026, 12:00 AM |
| comments 7d | GLOBAL | 1,614 | Sep 2, 2026, 12:00 AM | |
| mentions 1d | GLOBAL | 8 | Sep 2, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 45 | Sep 2, 2026, 12:00 AM | |
| score 7d | GLOBAL | 2,054 | Sep 2, 2026, 12:00 AM | |
| thread count | GLOBAL | 45 | Sep 2, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 45 | Sep 2, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.75 | Sep 2, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 11,773 | Sep 2, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 90 | Sep 2, 2026, 12:00 AM |
| simkl | imdb score | GLOBAL | 83 | Sep 2, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 89 | Sep 2, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 61.3 | Sep 2, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 5,512 | Sep 2, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 9 | Jun 8, 2026, 12:00 AM |
| x | followers count | GLOBAL | 2,500,761 | Aug 20, 2026, 12:00 AM |
| x | followers delta | GLOBAL | 20,517 | Aug 20, 2026, 12:00 AM |
| x official jp | engagement 7d jp | JP | 4,744 | Aug 20, 2026, 12:00 AM |
| x official jp | posts 7d | JP | 1 | Aug 20, 2026, 12:00 AM |
| x official jp | silent days | JP | 0 | Aug 20, 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 | 16,241 | Sep 2, 2026, 12:00 AM |
| youtube | trailer views | GLOBAL | 918,230 | Sep 2, 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 |