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Oh Boy, Was I Wrong About Her

Anime · Hub · 1 Season

Oh Boy, Was I Wrong About Her

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1 Season

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!

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About the story

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 yea…

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About

At a glance

Oh Boy, Was I Wrong About Her is an anime series from 2026. Its original run is complete. The catalogue records 12 episodes. This Kaidomi hub connects 1 credited creator, 5 characters and 12 listed episodes.

Full synopsis

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.

Catalogue score — Kaidomi never shows its own rating until the fans build it. In its genre, only 1,374 of 2,305 scored titles rank higher — the top 60%.

At a glance

Score
6.8 / 10
Episodes
12
Status
Finished Airing
Members
44,796
Studios
project No.9
Airing
6 Jul 2026 → 21 Sept 2026
Full synopsis

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.

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The people behind it

1 Artists

The cast

5 characters
Haruki NikaidoHaruki NikaidoMainIkumi Hasegawa
Hayato KirishimaHayato KirishimaMainShunichi Toki
Himeko KirishimaHimeko KirishimaSupportingMiharu Hanai
Minamo MitakeMinamo MitakeSupportingNatsumi Haruse
Saki MuraoSaki MuraoSupportingFuuka Izumi
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