Oh Boy, Was I Wrong About Her
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Oh Boy, Was I Wrong About Her

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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.
2026
RomanceHeartwarmingWholesome
RomanceHeartwarmingWholesome
2026
TV-14
Season 1
11 episodes
  • 1. Beginning with a Summer Day

    1. Beginning with a Summer Day

    Childhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.
    Childhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.
    13+
    24min
    Jul 5, 2026
  • 2. I Really Suck at Girl Talk

    2. I Really Suck at Girl Talk

    As the two old friends continue to get reacquainted, Haruki starts teasing Hayato for not owning a cell phone.
    As the two old friends continue to get reacquainted, Haruki starts teasing Hayato for not owning a cell phone.
    13+
    24min
    Jul 12, 2026
  • 3. Produced by Himeko

    3. Produced by Himeko

    Himeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.
    Himeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.
    13+
    24min
    Jul 19, 2026
  • 4. Small Hands, Broad Shoulders

    4. Small Hands, Broad Shoulders

    Hayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.
    Hayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.
    13+
    24min
    Jul 26, 2026
  • 5. Discipline, Young Maiden

    5. Discipline, Young Maiden

    Himeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.
    Himeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.
    13+
    24min
    Aug 2, 2026
  • 6. What about Your Camouflage!?

    6. What about Your Camouflage!?

    Hayato steps in when he sees Kazuki trying to make a move on Haruki, who keeps dropping her nice girl facade.
    Hayato steps in when he sees Kazuki trying to make a move on Haruki, who keeps dropping her nice girl facade.
    13+
    24min
    Aug 9, 2026
  • 7. You're Special

    7. You're Special

    Hayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.
    Hayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.
    13+
    24min
    Aug 16, 2026
  • 8. Where the Heart Is

    8. Where the Heart Is

    Hayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.
    Hayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.
    13+
    24min
    Aug 23, 2026
  • 9. Truly Special

    9. Truly Special

    Haruki opens up about family issues after her rough night and Kazuki keeps trying to stir up drama at school.
    Haruki opens up about family issues after her rough night and Kazuki keeps trying to stir up drama at school.
    13+
    24min
    Aug 30, 2026
  • 10. We Are Friends, Right?

    10. We Are Friends, Right?

    Himeko sets up a group chat with Saki from Tsukinose and Hayato and his pals make plans for a day at the pool.
    Himeko sets up a group chat with Saki from Tsukinose and Hayato and his pals make plans for a day at the pool.
    TV-14
    24min
    Sep 6, 2026
  • 11. As Long As We're Together

    11. As Long As We're Together

    Hayato and Haruki adjust to their new job and the girls shop for new swimsuits to wear on their big pool date.
    Hayato and Haruki adjust to their new job and the girls shop for new swimsuits to wear on their big pool date.
    13+
    24min
    Sep 13, 2026
  • Oh Boy, Was I Wrong About Her
    RomanceHeartwarmingWholesome
    2026
    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.
    Creators and Cast
    Studio
    project No.9
    Reviews
    5.0 out of 5 stars

    5 global ratings

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      100%
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    Content advisory
    TV-14
    nudityfoul languagesexual contentFlashing lights and strobing patterns might affect photosensitive viewers
    Audio languages
    ไทย日本語
    Subtitles
    EnglishالعربيةDeutschEspañol (Latinoamérica)Español (España)FrançaisIndonesiaItaliano한국어MelayuPortuguês (Brasil)РусскийไทยTiếng Việt中文(简体)中文(繁體)
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