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

Oh Boy, Was I Wrong About Her

7.3
2026 – 20261 Seasons · 12 EpisodesEnded

Overview

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.

Network: TOKYO MX

Cast

Episodes

Beginning with a Summer Day

Episode 1 · 25m

Beginning with a Summer Day

Childhood buddies Hayato and Haruki are reunited when Hayato moves to Tokyo and sees Haruki at his new school.

Jul 6, 2026

I Really Suck at Girl Talk

Episode 2 · 24m

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.

Jul 13, 2026

Produced by Himeko

Episode 3 · 24m

Produced by Himeko

Himeko meets Haruki for the first time in years and decides to take her shopping to help update her wardrobe.

Jul 20, 2026

Small Hands, Broad Shoulders

Episode 4 · 24m

Small Hands, Broad Shoulders

Hayato and Haruki go phone shopping together and then Haruki ends up spending the night at Hayato's apartment.

Jul 27, 2026

Discipline, Young Maiden

Episode 5 · 24m

Discipline, Young Maiden

Himeko and Haruki decide to go on a diet, so Hayato starts asking friends for health-conscious recipe ideas.

Aug 3, 2026

What About Your Camouflage!?

Episode 6 · 25m

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.

Aug 10, 2026

You're Special

Episode 7 · 24m

You're Special

Hayato visits his mother in the hospital and then makes plans with Haruki and Himeko to go somewhere together.

Aug 17, 2026

Where the Heart Is

Episode 8 · 24m

Where the Heart Is

Hayato, Haruki, and Himeko go to the movies as planned but end up catching an unexpected guest along the way.

Aug 24, 2026

Truly Special

Episode 9 · 24m

Truly Special

Haruki opens up about family issues after her rough night and Kazuki keeps trying to stir up drama at school.

Aug 31, 2026

We Are Friends, Right?

Episode 10 · 24m

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.

Sep 7, 2026

As Long As We're Together

Episode 11 · 24m

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.

Sep 14, 2026

A Fresh Start

Episode 12 · 24m

A Fresh Start

Hayato and friends enjoy their long-awaited pool day and then take a trip to revisit their roots in Tsukinose.

Sep 21, 2026