Oh Boy, Was I Wrong About Her English Sub & Dub

About Oh Boy, Was I Wrong About Her

Meet 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), a comedy and romance anime by project No.9 (2026). Here is the premise in a nutshell. What the story covers: Seven years after making a childhood promise to always be companions, Hayato is reunited with his formerly tomboyish pal Haruki at a town 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.

Beyond that: Despite years apart, their promise and feelings remain and deepen into something stronger.

As a comedy title, timing, character chemistry and running gags decide whether it lands. Voice work is led by Shunichi Toki as Hayato Kirishima and Ikumi Hasegawa as Haruki Nikaido. This one is best suited to viewers who want something light between heavier series. The run is 12 episodes in total, so you know what you are signing up for.

Production & Appeal

project No.9 is the studio behind Oh Boy, Was I Wrong About Her, and its direction shapes everything from character design to motion. Within the comedy category, timing, character chemistry and running gags decide whether it lands. Its 6.8/10 score suggests opinions are split, so it suits viewers who already like the genre. Voice casting, including Shunichi Toki as Hayato Kirishima, adds to the appeal for fans who follow seiyuu. Released in 2026, it competed with that season's other new series for attention.