
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.
Cast: Ikumi Hasegawa, Shunichi Toki, Miharu Hanai
Season 1
12 episodes
1. Beginning with a Summer DayChildhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.MCC25minJul 6, 2026
2. I Really Suck at Girl TalkAs the two old friends continue to get reacquainted, Haruki starts teasing Hayato for not owning a cell phone.MCC24minJul 13, 2026
3. Produced by HimekoHimeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.MCC24minJul 20, 2026
4. Small Hands, Broad ShouldersHayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.MCC24minJul 27, 2026
5. Discipline, Young MaidenHimeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.MCC24minAug 3, 2026
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.MCC25minAug 10, 2026
7. You're SpecialHayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.MCC24minAug 17, 2026
8. Where the Heart IsHayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.MCC24minAug 24, 2026
9. Truly SpecialHaruki opens up about family issues after her rough night and Kazuki keeps trying to stir up drama at school.MCC24minAug 31, 2026
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.MCC24minSep 7, 2026
11. Episode 11No synopsis available yet.MCCSep 14, 2026- 12. Episode 12No synopsis available yet.MCCSep 21, 2026
Oh Boy, Was I Wrong About Her
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
- Directors
- Xu Fufeng
- Studio
- Asmik Ace, Pony Canyon, Tokyo MX
Maturity rating
MCheck the rating before watching with younger viewers.
Audio languages
Japanese
Where to watch
Stream
































