concluded
Announced
In production
Releasing
Completed
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
Jul 28, 2026, 06:01 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
20.0
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 11 hours ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 88.8
- Crunchyroll Like Index - 119,256 likes / 120,562 reactions on recent episodes
- Cross-platform popularity index - Aggregate reach of ~38,745 followers
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 Reception69
Strategic Priors45
Fandom Engagement47
CourScore history
CourScore over time
Last analysedJul 28, 2026, 06:01 AM
Next scheduledin 13 hours
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 |
|---|---|---|---|---|
| crunchyroll | episode likes | GLOBAL | 119,256 | Jul 27, 2026, 12:00 AM |
| niconico | episode comments | JP | 2 | Jul 27, 2026, 12:00 AM |
| simkl | imdb score | GLOBAL | 83 | Jul 27, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 56.75 | Jul 27, 2026, 12:00 AM |
| comments 7d | GLOBAL | 962 | Jul 27, 2026, 12:00 AM | |
| kitsu | score mean | GLOBAL | 85.86 | Jul 27, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 11,581 | Jul 27, 2026, 12:00 AM |
| x official jp | posts 7d | JP | 1 | Jul 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 703,159 | Jul 22, 2026, 12:00 AM |
| x official jp | engagement 7d jp | JP | 188 | Jul 27, 2026, 12:00 AM |
| mal | members | GLOBAL | 162,406 | Jul 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 6,378 | Jul 27, 2026, 12:00 AM |
| x | followers delta | GLOBAL | 10,742 | Jul 27, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 25 | Jul 27, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 1,215 | Jul 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 139,531 | Jul 27, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 90 | Jul 27, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 23 | Jul 27, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 3,199 | Jul 27, 2026, 12:00 AM |
| x official jp | silent days | JP | 0 | Jul 27, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 90 | Jul 27, 2026, 12:00 AM |
| mentions 1d | GLOBAL | 13 | Jul 27, 2026, 12:00 AM | |
| mal | plan to watch | GLOBAL | 15,134 | Jul 27, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 1,760 | Jul 27, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 5,441 | Jul 27, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 56,149 | Jul 27, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Jul 27, 2026, 12:00 AM |
| niconico | episode views | JP | 3,424 | Jul 27, 2026, 12:00 AM |
| threads 7d | GLOBAL | 41 | Jul 27, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.75 | Jul 27, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 1,306 | Jul 27, 2026, 12:00 AM |
| niconico | episode mylists | JP | 6 | Jul 27, 2026, 12:00 AM |
| thread count | GLOBAL | 41 | Jul 27, 2026, 12:00 AM | |
| simkl | score mean | GLOBAL | 89 | Jul 27, 2026, 12:00 AM |
| mentions 7d | GLOBAL | 41 | Jul 27, 2026, 12:00 AM | |
| google trends | interest daily | GLOBAL | 35 | Jul 26, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 1 | Jul 27, 2026, 12:00 AM |
| score 7d | GLOBAL | 347 | Jul 27, 2026, 12:00 AM | |
| x | followers count | GLOBAL | 2,480,244 | Jul 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 2 | Jul 22, 2026, 12:00 AM |
| jikan | source status code | GLOBAL | 2 | May 23, 2026, 12:00 AM |
| jikan | source favorites | GLOBAL | 126,134 | May 23, 2026, 12:00 AM |
| jikan | rating | GLOBAL | 9.21 | May 23, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| jikan | source members | GLOBAL | 699,372 | May 23, 2026, 12:00 AM |
| mal | rating | GLOBAL | 9.21 | Jul 22, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,721 | Jun 29, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 9 | Jun 8, 2026, 12:00 AM |
| ann | rating | GLOBAL | 7.58 | Jul 18, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 0 | Jun 29, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 2 | Jul 22, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 60 | Jul 5, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 29, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 8.89 | Jul 22, 2026, 12:00 AM |