Tokyo MX · Running

Oh Boy, Was I Wrong About Her

Comedy, Anime, Romance · 2026

Last aired: S1 E12, A Fresh Start · 2026-09-21

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 Haruki Nikaido

Shunichi Toki Hayato Kirishima

Miharu Hanai Himeko Kirishima

Haruse Natsumi Minamo Mitake

Fuka Izumi Saki Murao

Season 1

E1 Beginning with a Summer Day 2026-07-06 · 30 min Childhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.

E2 I Really Suck at Girl Talk 2026-07-13 · 30 min As the two old friends continue to get reacquainted, Haruki starts teasing Hayato for not owning a cell phone.

E3 Produced by Himeko 2026-07-20 · 30 min Himeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.

E4 Small Hands, Broad Shoulders 2026-07-27 · 30 min Hayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.

E5 Discipline, Young Maiden 2026-08-03 · 30 min Himeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.

E6 What about Your Camouflage!? 2026-08-10 · 30 min Hayato steps in when he sees Kazuki trying to make a move on Haruki, who keeps dropping her nice girl facade.

E7 You're Special 2026-08-17 · 30 min Hayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.

E8 Where the Heart Is 2026-08-24 · 30 min Hayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.

E9 Truly Special 2026-08-31 · 30 min Haruki opens up about family issues after her rough night and Kazuki keeps trying to stir up drama at school.

E10 We're friends, right? 2026-09-07 · 30 min Hayato is invited by his classmate Iori to go to the pool with everyone after the exams. He is also asked to invite Haruki, but Haruki doesn't seem very keen on the idea. At the same time, Hayato, Haruki, Himeko, and Saki start communicating in a group chat hosted by Tsukino. Haruki feels uneasy about the heartwarming exchange between Hayato and Saki.

E11 As Long As We're Together 2026-09-14 · 30 min Hayato and Haruki adjust to their new job and the girls shop for new swimsuits to wear on their big pool date.

E12 A Fresh Start 2026-09-21 · 30 min Hayato and friends enjoy their long-awaited pool day and then take a trip to revisit their roots in Tsukinose.

TV listings and show data from TVmaze.