Oniichan no Koto nanka Zenzen Suki Janain Dakara ne!! Special, Onii-chan no Koto nanka Zenzen Suki JanainDakara ne!! Special, Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special, お兄ちゃんのことなんかぜんぜん好きじゃないんだからねっ!!, Oniichan no Koto nanka Zenzen Suki ja Nai n da kara ne!! Special, Little Sister's Diary of Brother's Perverted Habits, お兄ちゃんのことなんかぜんぜん好きじゃないんだからねっ!! 第13話 妹より愛をこめて兄の『性態観察記』, Because I Don't Like My Big Brother At-All--!!, お兄ちゃんのことなんかぜんぜん好きじゃないんだからねっ！！
According to the official website, the fifth volume of the Blu-ray and the DVD of Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! will include an unaired episode. It will be released on July 6th.
Last updated
Oct 28, 2026, 06:23 AM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
18.8
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 7 hours ago
Top reasons
- Source runway - Estimated material for 2.75 further cours
- Domestic episode engagement (Niconico) - 8,594,592 episode views on Niconico (JP domestic)
- Titles like this rarely return - 15 years with no new entry: of OVAs and specials (first entries) in that position, under 1% got a new season or film within 10 years
Source runway looks healthy for a continuation.
CourScore history
CourScore over time
Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special getting a new season?
- According to Courcast's latest analysis, Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special has a 19/100 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 Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special be renewed?
- Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special currently scores 19 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 Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special's renewal probability?
- Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special's CourScore is 19 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.
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | average score | GLOBAL | 57 | Oct 13, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 9 | Oct 13, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 3,648 | Oct 13, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 13, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 12 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 16 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 3,365 | Sep 15, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 15, 2026, 12:00 AM |
| filmarks | mark count | JP | 513 | Oct 13, 2026, 12:00 AM |
| filmarks | score mean | JP | 60 | Oct 13, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 12, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 2 | Oct 13, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 1,697 | Oct 13, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 10,334 | Oct 13, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 63.48 | Oct 13, 2026, 12:00 AM |
| mal | completed | GLOBAL | 12,017 | Oct 13, 2026, 12:00 AM |
| mal | members | GLOBAL | 16,301 | Oct 13, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 3,574 | Oct 13, 2026, 12:00 AM |
| mal | watching | GLOBAL | 339 | Oct 13, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.14 | Oct 26, 2026, 12:00 AM |
| mfc | entry likes | GLOBAL | 7 | Oct 23, 2026, 12:00 AM |
| mfc | figures total | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | goods total | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | media total | GLOBAL | 16 | Oct 23, 2026, 12:00 AM |
| mfc | merch added 30d | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | merch total | GLOBAL | 16 | Oct 23, 2026, 12:00 AM |
| niconico | episode comments | JP | 610,834 | Oct 13, 2026, 12:00 AM |
| niconico | episode mylists | JP | 111,574 | Oct 13, 2026, 12:00 AM |
| niconico | episode views | JP | 8,594,592 | Oct 13, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.74 | Oct 13, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 2,039 | Oct 13, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 62.5 | Oct 13, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 5.31 | Oct 13, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 15 | Oct 13, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 17 | Mar 19, 2026, 12:00 AM |
| x official jp | silent days | JP | 5,588 | Jul 21, 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 |