Overall score 8.4
Rank #1
Oh Boy, Was I Wrong About Her
Tenkousaki no Seiso Karen na Bishoujo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken
転校先の清楚可憐な美少女が、昔男子と思って一緒に遊んだ幼馴染だった件
Other names 3
- Chinese
- 转学后班上的清纯可爱美少女，竟是小时候玩在一起的哥们儿
- Also known as
- Tenkosaki: The Neat and Pretty Girl at My New School Is a Childhood Friend of Mine Who I Thought Was a Boy
- Also known as
- Tenbin
Overall score 6.5/10
Summer 2026#46 (#46 overall)Overall score The overall score is not a simple average but a weighted blend: (w_P·P + w_T·T + v·R) / (w_P + w_T + v)This title: Site scores P = 6.51 (weight 66, 72%); Fan sentiment T = 6.38 (weight 25.8, 28%); Community: No ratings yet (each rating counts as one vote); P: site consensus 6.50 (24.3K votes), shrunk toward the season baseline 6.98 by vote count to 6.51.P is the consensus of site scores (calibrated to one scale), T the sentiment of public comments, R our community's mean. Each part is weighted in “virtual votes”: more votes and comments mean more weight.See the breakdown · Scoring rules in detailSentiment 5.6 · 35% positiveChinese audience 6.2English audience 6.5
- School#12 (#12 in School, Summer 2026)
- Romance#18 (#18 in Romance, Summer 2026)
- Comedy#23 (#23 in Comedy, Summer 2026)
- 2026#168 (#168 in the 2026 ranking)
- Comedy
- Romance
- #Female Harem
- #Tomboy
- #School
12 eps · Finished
project No.9Light novel adaptationPremiered Jul 6, 202624 min per episodeOverview
Spoiler-free synopsis
年幼那年的夏末，他与重要的男性朋友许下了约定。 七年后，转学到城市高中的隼人重逢的青梅竹马，竟已成为清纯可爱的美少女！被称作高岭之花的春希，一和隼人独处，就会用从前的样子冲他笑…… 乡下与城市，少年与少女，成长了的心灵与身体。分开的这段时间里，有改变了的东西，也有不变的心意与约定。
AI translationTranslated from the Japanese synopsis on Bangumi (opens in a new window); for reference only
幼かった夏の終わり、大切な男友達と約束を交わした。 ７年後、都会の高校に転入した隼人が再会した幼馴染は清楚可憐な美少女になっていた！ 高嶺の花と呼ばれる春希は、隼人と２人きりになると昔のノリで笑いかけてきて… 田舎と都会、少年と少女、成長した心と身体。 離れていた間に変化したものがあれば、変わらない想いと約束があって——
Seven years after making a childhood promise to always be friends, Hayato is reunited with his formerly tomboyish pal Haruki at a city high school–only now, Haruki has transformed into the girl every guy dreams about! While Haruki’s looks may have changed, with Hayato, she’s still the same pal he remembers. Despite years apart, their promise and feelings remain and deepen into something stronger.
Genres & tags
- Comedy
- Romance
- #Female ProtagonistRelevance 91%
- #Male ProtagonistRelevance 88%
- #HeterosexualRelevance 82%
- #Female HaremRelevance 79%
- #TomboyRelevance 70%
- #SchoolRelevance 68%
- #Coming of AgeRelevance 40%
- #CollegeRelevance 33%
- #HorticultureRelevance 26%
- #AgricultureRelevance 23%
The percentage after a tag is its relevance to this title. 2 more tags that may contain spoilers are hidden; you can reveal them under Viewing notes.
Details
- Format
- TV · 12 episodes · 24 min per episode
- Status
- Finished
- Aired
- Jul 6, 2026 – Sep 21, 2026
- Studio
- project No.9
- Source
- Light novel adaptation
- Season
- Summer 2026
- Categories
- RomanceSchoolComedy
- Official site
- tenbin-anime.asmik-ace.co.jp (opens in a new window)
Where to WatchOfficial platforms
Prices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsPrices & detailsViewing regionYour saved choiceGuessed from your network location; change it anytimeNetwork location unavailable. Preselected from browser language; confirm your viewing region.Network location unavailable. Default shown; choose your viewing region.
Mainland China: no confirmed streaming page yet.
Taiwan: no confirmed streaming page yet.
Hong Kong: no confirmed streaming page yet.
Singapore: no confirmed streaming page yet.
Malaysia: no confirmed streaming page yet.
South Korea: no confirmed streaming page yet.
Indonesia: no confirmed streaming page yet.
Philippines: no confirmed streaming page yet.
Thailand: no confirmed streaming page yet.
- Amazon Prime VideoSubscription
- HuluSubscription
- U-NEXTSubscription
- ABEMAAccess type unknown
- dアニメストアAccess type unknown
- NiconicoAccess type unknown
Other regions & licensing details
- Canada
- United States
- Japan
- ABEMA (title page, opens in a new window)
- Amazon Prime Video (title page, opens in a new window)
- dアニメストア (title page, opens in a new window)
- HuluPlatform homepage (platform homepage, opens in a new window)
- Niconico (title page, opens in a new window)
- U-NEXT (title page, opens in a new window)
- United Kingdom
- Australia
- Germany
- France
- Spain
- Italy
- Mexico
- Brazil
- India
- New Zealand
- Ireland
- Netherlands
- Belgium
- Austria
- Switzerland
- Sweden
- Norway
- Denmark
- Finland
- Portugal
- Poland
- Other regions
- Region not verifiedThese official pages are listed by bangumi-data or AniList, or reported by ANN news, but the source doesn't say in which regions they are available. Whether you can watch there, and at what price, is up to the platform's page.Sources: AniList
LicensorsA company that holds the rights to this title, from the English Wikipedia infobox and Anime News Network (ANN) licensing news. A licensor is not a streaming platform (without a stated region it usually means the English-language release). The “→” after a distributor is its own streaming service.
Region not stated Crunchyroll (title page, opens in a new window)Sources: Wikipedia (source page, opens in a new window)
Official, licensed options only; the platform's page is what counts. Every row cites its source · checked Sep 26, 2026
What people sayPublic comments from other sites
AI sentiment analysisAn AI model (claude-session) rates each public comment as very positive / positive / mixed / negative / very negative (scored 9.5 / 8 / 6 / 4 / 2), averages them weighted by confidence, site, length, “helpful” votes and date, then shrinks the result toward a neutral 6 (so a few comments can't inflate it).Calibrated to the site-score scale it is 6.38, and it counts toward the overall score by the number of comments (at most 35%).Only the latest ~40 comments per site are read (plus ~50 posts from each forum's episode threads, which weigh less): a sample, not everything. Excerpts are at most 140 characters and belong to their authors; comments that may contain spoilers are not shown. Comments from Chinese sites appear in an AI translation, with the original one click away. Sentiment labels can be wrong. Updated Oct 7, 2026, 06:36.See the score breakdownSentiment score5.6/10
Positive35%
137 comments analyzed: AniList Forum 49 · Bangumi 42 · MyAnimeList Forum 40 · Kitsu 6
English audience score 6.5 · 23,490 samples
Positive13 found this helpful
So Haru is a Fate fan, peak recognises peak
Very negative2 found this helpful
read the light novel and was honestly expecting a really fun watch and yet the studio delivered terrible animation, terrible quality and…
Very positive7 found this helpful
Man this is actually really good, although it only has been 4eps I like it alot more than other animes airing this season. The whole plot,…
Negative2 found this helpful
This anime had potential within the first few episodes but its running downhill from episode to episode for the past 6 atleast. I like…
Positive
I liked this one. I'm not sure why though. Maybe because the romance that aired the same day sucked so bad that this was good by comparison?
Negative
Tonally incoherent, with tons of unresolved plot threads, and increasingly let down by animation quality that falls off a cliff by the end.
Mood & content
Source: Derived from community tagsConfidence: low (45%)Updated Sep 24, 2026
0 = barely any, 10 = very pronounced. Values measure how much, not how good, and different viewers feel the same show differently. “No data yet” means the item hasn't been assessed yet, not that it's absent.
Mood
- Light
- Exciting
- Heavy
Funny: high
Light
- RelaxingNo data yet. Easy to watch, low effort
- HealingNo data yet. Gentle and comforting
- Funny6.5 / 10, levelHigh. Density of laughs
- Heartwarming4.8 / 10, levelModerate. Warmth from relationships
Exciting
- HypeNo data yet. Adrenaline and excitement
- TenseNo data yet. Suspense and tension
Heavy
- OppressiveNo data yet. Heavy, stifling atmosphere
- DarkNo data yet. Darkness of setting and themes
- SadNo data yet. Share of sad moments
- BleakNo data yet. Likelihood of a lingering low mood
Emotional intensity4.9 / 10, levelModerate. How strongly it moves you, either way
Emotional intensity measures how strong the ups and downs are, happy or sad.
Content
Higher = more of itThemes
Action
No data yet. Share of fights and action
Romance6.5
High (6.5 / 10). Weight of romance plotlines
Slice of life
No data yet. Share of everyday-life episodes
Harem6.9
High (6.9 / 10). Harem dynamics around the lead
Sensitive content· may be upsetting; judge by your own comfort level
Fan service
No data yet. Suggestive shots and fan service
Violence
No data yet. Intensity of violence
Gore
No data yet. Blood and graphic injury
Character death
No data yet. Likelihood of major character deaths
Horror
No data yet. Scares and horror
Psychological stress
No data yet. Mental torment and anxiety
Betrayal
No data yet. Betrayal plotlines
Heartbreak
No data yet. Deliberately heart-wrenching arcs
Style
ComplexityNo data yet
(0 = Easy to follow, 10 = Mind-bending). Plot complexity and densityPacingNo data yet
(0 = Slow burn, 10 = Fast-paced). 0 = slow burn, 10 = fast-pacedWorld-buildingNo data yet
(0 = Simple, 10 = Vast and deep). Depth of the setting
Viewing notes
Spoiler-free by defaultNo spoiler-free viewing notes yet.
Ratings
Updated Oct 7, 2026, 06:36About scores
Overall score The overall score is not a simple average but a weighted blend:
(w_P·P + w_T·T + v·R) / (w_P + w_T + v)This title: Site scores P = 6.51 (weight 66, 72%); Fan sentiment T = 6.38 (weight 25.8, 28%); Community: No ratings yet (each rating counts as one vote); P: site consensus 6.50 (24.3K votes), shrunk toward the season baseline 6.98 by vote count to 6.51.P is the consensus of site scores (calibrated to one scale), T the sentiment of public comments, R our community's mean. Each part is weighted in “virtual votes”: more votes and comments mean more weight.See the breakdown · Scoring rules in detailOverall score 6.5/10
Score breakdownThe three parts are weighted in “virtual votes”: the more site votes and analyzed comments, the more weight that part gets. Fan sentiment is capped at 35%, and each AniRanking rating counts as one vote. Full rules
- Site scores6.5172%Consensus of 24.3K site votes (calibrated to one scale and shrunk toward the global baseline by vote count)
- Fan sentiment6.3828%92.5 comments, average 5.15 (the sentiment score shown, 5.6, is also shrunk toward neutral), calibrated against comparable titles to 6.38
- CommunityNot counted0%No ratings yet (each rating counts as one vote)
Site scoresThe site consensus is 6.50 (24,315 votes, weighted by site reliability × log of votes); shrunk toward the season baseline 6.98 by vote count, it becomes 6.51. Sites score differently (Bangumi runs low, bilibili high), so each is first calibrated to one scale using titles rated on both it and AniList, then combined; sites with fewer than 100 votes are ignored.
Raw → calibrated to one scale| Site | Raw score | Votes | Calibrated |
|---|---|---|---|
| AniList (external link, opens in a new window)Reference site | 68/100 | 5,156 votes | 6.8 |
| MyAnimeList (external link, opens in a new window)Calibrated to the AniList scale | 6.7/10 | 18.2K votes | 6.4 |
| Bangumi (external link, opens in a new window)Calibrated to the AniList scale | 4.9/10 | 920 votes | 6.2 |
| bilibiliNo data | — | — | Not counted |
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Full School ranking →
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Oh Boy, Was I Wrong About Her
Tenkousaki no Seiso Karen na Bishoujo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken
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