Hiro Segawa (2024)

Hiro Segawa (瀬川 ひろ, Segawa Hiro) is one of the main characters. She is a classmate of Nagi Umino who is ranked first in her grade and later becomes friends with Erika Amano.


  • 1 Appearance
  • 2 Personality
  • 3 History
  • 4 Relationships
    • 4.1 Nagi Umino
    • 4.2 Erika Amano
    • 4.3 Sachi Umino
    • 4.4 Ai Mochizuki
    • 4.5 Asami Segawa
    • 4.6 Shion Asuma
  • 5 Etymology
  • 6 Trivia
  • 7 Gallery
  • 8 References


Hiro has neck-length violet color hair and emerald green eyes.


Hiro is a competitive type. She hates lies and is always determined to be the first in her grade. She seems to get along with everyone at school but has no close friends.



Nagi Umino[]

Nagi has a crush on Hiro and aims to confess it once he beats her in the school rankings. He did this at the 122nd fowl and finally became her boyfriend. One day Nagi catches the first place, and Hiro gives her a meeting on the high school's roof; she says that she will not let him be first and will recover her place quickly. After a speed challenge, they find themselves alone on the classroom floor. Without knowing who arrived first. On this occasion, Hiro reveals to Nagi that she is already promised, someone. This event marks the official beginning of their rivalry in class. They will get a little closer during the revision camp. On the 158th Fowl, Hiro decided to break up with Nagi, assuming that she wasn't in love with him anymore.

Erika Amano[]

When Erika transfers to their school, Hiro was the first person to reach out to her. They become close friends, and it turns out she was also a fan of Erika since she follows her on Inusta (Instagram). She becomes a part of the study group with Erika and Nagi Umino and enjoys helping her study.

Sachi Umino[]

Ai Mochizuki[]

Asami Segawa[]

Asami is Hiro's mother, whom she loves, but dislikes her overprotectiveness, as shown when she offers Cake to her and Erika Amano but offers Nagi Umino one sweet and a glare.

Shion Asuma[]


  • The name Hiro means "fathom" (ひろ) in Hiragana.


  • Hiro's favorite animal is the spectacled caiman.
  • Hiro's favorite food is Japanese curry​.
  • Hiro likes spicy food.
  • Hiro greatly admires Tsuda Umeko.
  • If Hiro were to get 100 million yen, she would invest it.
  • Hiro's Astrological symbol is Taurus.
  • Hiro lives in a temple and also works as a Miko.


Hiro Segawa (1)


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Hiro Segawa (2024)


Does Segawa Hiro like Nagi? ›

Hiro Segawa

On the 122nd Fowl, Nagi beats Hiro in the midterms exams solidifying his place as Hiros Boyfriend. On the 158th Fowl, Hiro decided to broke up with Nagi. She broke up because she knew it wouldn't work it with her and Nagi if they married. She also fell in love with her fiance.

Is Segawa Hiro engaged? ›

Segawa Hiro is already engaged, just like Nagi is engaged to Erika, and Hiro isn't in the mood to call off her engagement for Nagi's or anyone else's sake. In recent episodes, Nagi incorrectly deduced that Hiro wants him to steal her away from her fiancé, but if Nagi actually tries that, Hiro is bound to be furious.

Who does Nagi Umino end up with? ›

That is, the idea is that Erika marrying Nagi is confirmed as more of a means than an end for the Umino parents. They ultimately just wanted more good kids, and Erika has welcomed herself so warmly into this new, effectively chosen arm of her family that they now only care for her and Nagi to be happy.

What is Hiro Segawa's personality? ›

Personality. Hiro is a competitive type. This is shown when, despite secretly wanting Nagi to surpass her so she can become his girlfriend and perhaps one day avoid her duties as a shrine priestess, she still outwardly declared that his grades would never be greater than hers.

Who is Nagi married to? ›

Married: Nagi Maehashi is married to Nobuhiko Okamoto, a fellow voice actor. Date of Marriage: The couple got married in 2017. Occupation: Both Nagi Maehashi and Nobuhiko Okamoto are voice actors. Industry: They work in the Japanese entertainment industry.

Does Nagi confess to Hiro? ›

Having scored higher than anyone else in his grade, Nagi decides to finally confess to Hiro.

Who does Hiro end up with? ›

As strange as it may be, Hiro and 002 are considered to be married in the series. While there was no traditional ceremony, this happens when 002 flies through space wearing a wedding dress and announces that the two are on their honeymoon together.

Does Erika love Sousuke? ›

Though she initially had no romantic feelings or interest in him, Erika later on realizes she really is in love with Nagi, as she is hurt when he chooses Hiro instead of her. She nevertheless continues to have feelings for Nagi's biological older brother Sōsuke, the person she was originally searching for.

Has A Couple of Cuckoos ended? ›

And now, in this final episode, although it is not the best ending in the world, not even the best among the anime in this season, A Couple of Cuckoos still manage to end on a rather high note. Everything sort of culminated into a moment of pure wholesomeness.

Who did Nagi marry? ›

Another clue to confirm why Nagi will end up with Erika.

In what episode does Hiro break up with Nagi? ›

On the 158th Fowl, Hiro decided to break up with Nagi, assuming that she wasn't in love with him anymore.

What gender is Hiro? ›

Male / Female

Is Sachi in love with Nagi? ›

Sachi is known to be indifferent, especially toward her older step-brother Nagi; however, underneath that, she deeply cares for him, and when he's forced to leave the household realizes her feelings for him.

Where is Sousuke Amano? ›

Not much is known about him aside that he had 'disappeared' some time before the events of the arranged marriage had taken place. Later on he appears to be working with the Dojima Hotels company with the motive of "Destroying the Amano Clan".

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