concluded
Announced
In production
Releasing
Completed
Gokyoudai Monogatari
ご姉弟物語
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
Jun 3, 2026, 10:48 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
19.9
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 72% • Signal freshness: Medium • Updated 46 minutes ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 0.0
- Time since finale - ~200 months since estimated air window ended
- Favourite base strength - 4 cross-platform favourites
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial29
Production Feasibility24
Audience Reception0
Strategic Priors32
Fandom Engagement0
CourScore history
CourScore over time
Last analysedJun 3, 2026, 10:48 PM
Next scheduledin 23 hours
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| youtube | uploads 30d | GLOBAL | 25 | May 12, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 0 | May 12, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 542 | May 12, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 14,329 | May 12, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | May 12, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 14,329 | May 12, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 11 | Mar 4, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 4 | May 12, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | May 30, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 254 | May 12, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | May 12, 2026, 12:00 AM |
| mal | completed | GLOBAL | 174 | May 20, 2026, 12:00 AM |
| mal | watching | GLOBAL | 109 | May 20, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 395 | May 20, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.1 | May 23, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 0.53 | Jun 1, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 0 | Jun 1, 2026, 12:00 AM |