Ikumi Hasegawa
Haruki Nikaido (voice)
Series
Watch Oh Boy, Was I Wrong About Her (2026) Online
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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.
Episodes
Season 1
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1. Beginning with a Summer DayNow viewing2026-07-0625mChildhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.
2. I Really Suck at Girl Talk2026-07-1324mAs the two old friends continue to get reacquainted, Haruki starts teasing Hayato for not owning a cell phone.
3. Produced by Himeko2026-07-2024mHimeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.
4. Small Hands, Broad Shoulders2026-07-2724mHayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.
5. Discipline, Young Maiden2026-08-0324mHimeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.
6. What About Your Camouflage!?2026-08-1025mHayato steps in when he sees Kazuki trying to make a move on Haruki, who keeps dropping her nice girl facade.
7. You're Special2026-08-1724mHayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.
8. Where the Heart Is2026-08-2424mHayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.- 9. Episode 92026-08-31
- 10. Episode 102026-09-07
- 11. Episode 112026-09-14
- 12. Episode 122026-09-21
Cast
Top Billed Cast
Shunichi Toki
Hayato Kirishima (voice)
Miharu Hanai
Himeko Kirishima (voice)
Natsumi Haruse
Minamo Mitake (voice)
Fuka Izumi
Saki Murao (voice)
Availability
Where To Watch Legally
Crunchyroll
Crunchyroll Amazon ChannelStreaming availability data provided by JustWatch.
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FAQ
Frequently Asked Questions
Is Oh Boy, Was I Wrong About Her available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
How many seasons does Oh Boy, Was I Wrong About Her have?
Oh Boy, Was I Wrong About Her has 1 season and 12 episodes.
When did Oh Boy, Was I Wrong About Her first air?
Oh Boy, Was I Wrong About Her first aired in 2026.
Is Oh Boy, Was I Wrong About Her still running?
Yes, Oh Boy, Was I Wrong About Her is an ongoing series.
What genre is Oh Boy, Was I Wrong About Her?
Oh Boy, Was I Wrong About Her is classified as Animation, Comedy.