

TV series
Oh Boy, Was I Wrong About Her
2026, Japanese, on TOKYO MX.
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.
- Seasons
- 1
- Episodes
- 12
- Episode length
- 24 min
- Status
- Ended in 2026
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Where to watch Oh Boy, Was I Wrong About Her
Oh Boy, Was I Wrong About Her is streaming on Crunchyroll in India.
Availability in India as of 9 November 2026. Streaming data by JustWatch.
Latest episode
S1 E12: A Fresh Start
Aired 21 September 2026
Seasons 1
Cast & crew
Details
- First aired
- 6 July 2026
- Last aired
- 21 September 2026
- Network
- TOKYO MX
- Original title
- 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
- Language
- Japanese
- Country
- Japan
- Type
- Scripted
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News & fan talk
What Oh Boy, Was I Wrong About Her is based on
Oh Boy, Was I Wrong About Her is based on Tenkōsaki no Seiso Karen na Bishōjo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken, a 2021 light novel series by Yu Hibari, published by Kadokawa Sneaker Bunko.
Light novel series · 2021
Tenkōsaki no Seiso Karen na Bishōjo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken
By Yu Hibari
Published by Kadokawa Sneaker Bunko
Source details from Wikidata and TMDB.
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Oh Boy, Was I Wrong About Her: quick answers
Is Oh Boy, Was I Wrong About Her worth watching?
Oh Boy, Was I Wrong About Her doesn’t have enough ratings for a verdict yet.
How many seasons of Oh Boy, Was I Wrong About Her are there?
Oh Boy, Was I Wrong About Her has 1 season and 12 episodes, about 24 minutes each.
Is Oh Boy, Was I Wrong About Her finished?
Yes. Oh Boy, Was I Wrong About Her ended in 2026, so you can watch the whole story.
Which OTT platform is Oh Boy, Was I Wrong About Her on?
Oh Boy, Was I Wrong About Her is streaming on Crunchyroll in India. (Checked 9 November 2026.)
Oh Boy, Was I Wrong About Her parents guide: is it suitable for kids?
No age rating is listed for Oh Boy, Was I Wrong About Her yet.
What shows are like Oh Boy, Was I Wrong About Her?
If you liked Oh Boy, Was I Wrong About Her, try Himouto! Umaru-chan, Sakura Trick, Is the Order a Rabbit?.
What is Oh Boy, Was I Wrong About Her based on?
Oh Boy, Was I Wrong About Her is based on Tenkōsaki no Seiso Karen na Bishōjo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken, a 2021 light novel series by Yu Hibari, published by Kadokawa Sneaker Bunko.
