concluded
Announced
In production
Releasing
Completed
Japan's TV Asahi network will premiere a television anime adaptation of Tetsu Adachi's Baka-Kyoudai (Idiotic Siblings) manga under the title Gokyoudai Monogatari (Sibling Stories) on October 10. The original manga has been running on an irregular schedule in Kodansha's Young Magazine since 1999. The story centers on a sister and her twin brother who live carefree lives in Tokyo's lower-class neighborhoods and have heartwarming encounters with the local people. It received an award of excellence at the 7th Cultural Media Arts Festival in 2003.
Yuki Matsuoka will voice the sister Onei Jinushi, and Yumiko Kobayashi will play her twin brother Junichirō Jinushi. Sayaka Ohara will play the local restaurant waitress Shizuka.
Yuki Matsuoka will voice the sister Onei Jinushi, and Yumiko Kobayashi will play her twin brother Junichirō Jinushi. Sayaka Ohara will play the local restaurant waitress Shizuka.
Last updated
Oct 28, 2026, 06:24 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
8.8
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 9 hours ago
Top reasons
- Titles like this rarely return - 17 years with no new entry: of series (first entries) in that position, under 1% got a new season or film within 10 years
- Cross-platform audience rating - Weighted audience rating 56.8
- Time since finale - ~205 months since estimated air window ended
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial23
Production Feasibility24
Audience Reception20
Strategic Priors22
Fandom Engagement15
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:24 AM
Next scheduledin 15 hours
Renewal FAQ
Gokyoudai Monogatari renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Gokyoudai Monogatari getting a new season?
- According to Courcast's latest analysis, Gokyoudai Monogatari has a 9/100 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 Gokyoudai Monogatari be renewed?
- Gokyoudai Monogatari currently scores 9 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 Gokyoudai Monogatari's renewal probability?
- Gokyoudai Monogatari's CourScore is 9 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 | favorites | GLOBAL | 5 | Oct 16, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 274 | Oct 16, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 16, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 15 | Sep 10, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 62 | Sep 10, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 7,790 | Sep 10, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 10, 2026, 12:00 AM |
| filmarks | mark count | JP | 247 | Oct 16, 2026, 12:00 AM |
| filmarks | score mean | JP | 82 | Oct 16, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Sep 16, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Oct 4, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Oct 4, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 1 | Oct 16, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 2 | Oct 16, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 128 | Oct 16, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 29 | Aug 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 184 | Oct 16, 2026, 12:00 AM |
| mal | members | GLOBAL | 868 | Oct 16, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 410 | Oct 16, 2026, 12:00 AM |
| mal | rating | GLOBAL | 6.72 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 456 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Aug 27, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 1 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 114 | Oct 16, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.1 | Oct 26, 2026, 12:00 AM |
| niconico | episode comments | JP | 1,244 | Oct 16, 2026, 12:00 AM |
| niconico | episode mylists | JP | 930 | Oct 16, 2026, 12:00 AM |
| niconico | episode views | JP | 52,733 | Oct 16, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 95 | Oct 16, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Oct 16, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 80 | Sep 10, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 1.04 | Oct 16, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 0 | Oct 16, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 11 | Mar 4, 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 |