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Rena (零奈れな?) is an identity secretly taken on by one of the Nakano quintuplets in disguise.[1] She could be the mysterious girl that Futaro Uesugi encountered during his elementary school trip to Kyoto five years before the story. Rena can be referred to as "the Girl in the Photograph" that was taken with a young Fuutarou six years ago during the elementary trip to Kyoto.


Potential history

Related article: Young Nakano

5 years prior to the start of the story, Rena was seen defending the young Futaro Uesugi from getting into trouble with the police. Somewhere around that time, she would take a picture with him and Fuutarou would keep it in his student notebook. ("Together, Today with Tumult in Kyoto")

Seven Goodbyes Arc

5 years later, Rena once again met up with Futaro Uesugi during his time of distress, wanting to provide him with some support. After exchanging her charm and taking away Fuutarou's image, she told Fuutarou that they will never meet each other for the third time and walks away before Futaro could reach her. ("Seven Goodbyes ④")

Kyoto Trip Arc

Rena then goes back on her promise during the Kyoto Trip arc, appearing next to Fuutarou after he talks to Itsuki Nakano. Rena admits she used her mother's name and wants him to guess her identity of the quintuplets. Tired and sick of the identity game, Fuutarou simply gets up and walks away, wishing to enjoy his school trip. ("Sisters’ War - Second Battle")

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Rejected, Rena goes to a mall dressing room, removes her disguises and reveals herself to be Itsuki.

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After the field trip had ended, Rena meets up with Fuutarou once again at the lake they first met. Fuutarou gives Rena a photo album of the quintuplets together at the trip. He expresses his deep gratitude toward Rena for having met him five years ago. After an indefinite amount of time, Rena is standing alone by the river's fence when Yotsuba emerges from the trees, calling her Itsuki. Rena, now Itsuki, apologizes for having acted on her own, but insists Yotsuba on telling Fuutarou the truth, that Yotsuba was the one who met Fuutarou as a child. ("Sisters’ War - Exhibition Match")

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Rena when she meets Fuutarou by the lake when he is resting.


Ever since her introduction, various hints are given regarding Rena's identity.

  1. She has a charm similar to the charm Futaro bought five years ago.
  2. She gave Futaro her charm, which Fuutarou lost in the river,[2] so one of the Nakano Quintuplets doesn't have the charm anymore (at the moment only Itsuki Nakano's one was shown before).
  3. Rena now keeps Futaro's photo of their younger selves.[3] Itsuki dropped the same picture while she was putting away her items.[4]
  4. Rena knows how Futaro used to look like when he was younger.[3]

Starting at Third Year Saga, Negi Haruba starts giving a more detailed hint or revelation about Rena.

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  1. Itsuki is revealed to own a box with Rena's disguised costumes inside it.[5]
  2. Itsuki explicitly shown to wear Rena's outfit in Chapter 79. She also tries to make Futaro acknowledges her identity as Rena during Kyoto Trip Arc.
  3. It is revealed that Yotsuba is the one that Futaro met when they were young[6]

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  1. ^ Volume 6
  2. ^ Manga Chapter 50
  3. ^ a b Manga Chapter 42
  4. ^ Manga Chapter 77.
  5. ^ Manga Chapter 76
  6. ^ Manga Chapter 87