If you are wondering when do they find out Mizuki is a girl in the Hana Kimi anime, you are not alone.
The entire story is built on the tension of protagonist Mizuki Ashiya living in an all-boys boarding school while disguised as a male student. Because she risks being expelled if her secret is discovered, the stakes are high, and viewers are waiting to see who will be the first to catch her.
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In this article, we break down the specific moments and episodes where her secret is revealed. Read on to find out the timeline of when Mizuki’s identity is discovered by those around her.
Spoiler warning: Major spoilers are up head if you have yet to watch the Hana Kimi anime.
Who is Mizuki Ashiya in the Hana Kimi anime?
In the Hana Kimi anime, Mizuki Ashiya is a Japanese girl who grew up in the United States. While watching a track and field competition on TV, she becomes a massive fan of a high jumper, Izumi Sano. She decides to travel to Japan and enroll in his school to meet his idol in person.

Because Sano attends an all-boys boarding school, Mizuki has to disguise herself as a boy to get in. She cuts her hair short and dresses as a male student so she can live in the dorms and become Sano’s roommate.
Mizuki’s secret is the core of the story. She must constantly hide the fact that she is a girl while living in close quarters with male students. If the school staff or her classmates discover her true identity, she will be expelled immediately.
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Most of the anime focuses on her trying to fit in and avoid being caught during daily activities like gym class or using the locker rooms.
When do they find out Mizuki is a girl in the Hana Kimi anime?

The mystery surrounding Mizuki’s true identity doesn’t stay a secret for long, though different characters discover the truth at various points.
If you are wondering when do they find out Mizuki is a girl, key characters learn the truth as early as the first few episodes, while the rest of the school remains in the dark.
When does Sano find out Mizuki is a girl in the Hana Kimi anime?
By the end of the Hana Kimi anime episode 1 titled “Please Be My Friend!,” Izumi Sano becomes the first person to find out that Mizuki is a girl.
The reveal happens when Sano tries to help Mizuki after she is injured during a friendly soccer match with Shuichi Nakatsu. As Sano picks her up to carry her to the infirmary, he accidentally touches her chest and immediately realizes she is a girl.

Sano is shocked but decides to keep this information to himself. He chooses to let Mizuki stay at the school and protect her secret, even though he doesn’t tell her right away that he knows the truth.
When does the rest of the school find out Mizuki is a girl in the Hana Kimi anime?
The rest of the school remains unaware of Mizuki’s secret for a long time, but Doctor Hokuto Umeda becomes the second person to discover the truth.
His discovery happens in the Hana Kimi anime episode 1, shortly after Sano finds out.

After Mizuki is injured in the soccer match, Sano brings her to the school infirmary. While the doctor is examining her, he immediately realizes that Mizuki is a girl. As a medical professional, she can’t hide her true gender from him during a physical checkup.
Although he initially threatens to expose her, he ultimately decides to keep her secret and becomes Mizuki’s mentor and confidant. He often gives her advice on how to survive in an all-boys school, making him one of the few people she can truly talk to.
We will continue to update this article with any new information regarding when do they find out Mizuki is a girl in the Hana Kimi anime. Be sure to check back for more plot updates as we follow Mizuki’s journey at Osaka Academy!
