Oh Boy, Was I Wrong About Her anime poster

Oh Boy, Was I Wrong About Her

Tenkousaki no Seiso Karen na Bishoujo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken
Score ★ 6.80
Status Finished Airing
Year 2026
Season Summer
Episodes 12
Type TV
Studio project No.9
Comedy Romance

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.



(Source: Crunchyroll)

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Episodes (12)

12/12 episodes available

Oh Boy, Was I Wrong About Her Info

Japanese Title Tenkousaki no Seiso Karen na Bishoujo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken
Type TV
Episodes 12
Status Finished Airing
Premiered Summer 2026
Audio Japanese (English Sub), English Dub, French, Portuguese
Studios project No.9
Genres Comedy,Romance
Score 6.80 / 10

Oh Boy, Was I Wrong About Her Characters & Voice Actors

Hayato Kirishima from Oh Boy, Was I Wrong About Her

Hayato Kirishima

Main
No Japanese voice listed
No English voice listed
Haruki Nikaido from Oh Boy, Was I Wrong About Her

Haruki Nikaido

Main
No Japanese voice listed
No English voice listed
Himeko Kirishima from Oh Boy, Was I Wrong About Her

Himeko Kirishima

Supporting
No Japanese voice listed
No English voice listed
Minamo Mitake from Oh Boy, Was I Wrong About Her

Minamo Mitake

Supporting
No Japanese voice listed
No English voice listed
Saki Murao from Oh Boy, Was I Wrong About Her

Saki Murao

Supporting
No Japanese voice listed
No English voice listed
Character and cast data: AniList.

Watch Oh Boy, Was I Wrong About Her Online

Oh Boy, Was I Wrong About Her (Tenkousaki no Seiso Karen na Bishoujo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi datta Ken) is a Comedy, Romance anime TV series animated by project No.9, first released in Summer 2026. The series runs 12 episodes.

Stream Oh Boy, Was I Wrong About Her online free in HD on Anime4Soul. 12 episodes are available to watch now with English subtitles, and the player's SUB / DUB switch plays the English dub whenever one has been released. French and Portuguese versions are available from the language menu.

Main characters include Hayato Kirishima, Haruki Nikaido.

Oh Boy, Was I Wrong About Her FAQ

Where can I watch Oh Boy, Was I Wrong About Her online?

You can watch all 12 available episodes of Oh Boy, Was I Wrong About Her online free on Anime4Soul, streaming in HD with English subtitles. The player also has an English Dub switch and French and Portuguese audio.

How many episodes does Oh Boy, Was I Wrong About Her have?

Oh Boy, Was I Wrong About Her has 12 episodes.

When did Oh Boy, Was I Wrong About Her come out?

Oh Boy, Was I Wrong About Her premiered in Summer 2026. Status: Finished Airing.

Which studio animated Oh Boy, Was I Wrong About Her?

Oh Boy, Was I Wrong About Her was animated by project No.9.

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