Oh Boy, Was I Wrong About Her

About 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.

Tokyo MX's Oh Boy, Was I Wrong About Her is an animation and comedy series. Its one season of 12 episodes aired between July 2026 and September 2026.

Its themes are childhood friends, romance, based on light novel, and romcom. Ikumi Hasegawa appears as Haruki Nikaido (voice), Shunichi Toki as Hayato Kirishima (voice), Miharu Hanai as Himeko Kirishima (voice), and Natsumi Haruse as Minamo Mitake (voice).

It was produced by Asmik Ace and Sun TV. In the United States it streams on Crunchyroll and Crunchyroll Amazon Channel.

Alya Sometimes Hides Her Feelings in Russian, Tomo-chan Is a Girl!, and There's No Freaking Way I'll Be Your Lover! Unless... make useful companions to Oh Boy, Was I Wrong About Her, all filed under japanese high school.