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Harmonia

"Harmonia" is a sci-fi kinetic novel produced by Key. After the war destroyed the environment, the boy Rei woke up in an abandoned facility, mistaking himself for an artificial life form named Phiroid because of his mechanical right hand. He is brought to the town by Shiona and receives a name. Through interactions with her, the library girl Tipi, and the townspeople, he learns emotions and gradually discovers his own origins and the true identity of the townspeople.

Basic information
DevelopmentVisualArts/Key
Character Design/Key AnimationHigashiue arrived
ScriptTsuzuru and Kui Nakamura
Steam textEnglish, Chinese Simplified
VoiceJapanese

Story summary

War has destroyed the environment, and survivors are living together to survive. A teenager wakes up in an abandoned factory, sees a mechanical right hand without artificial skin, and mistakes himself for a Phiroid lacking emotional functions. He leaves the factory to search for humans, is taken in by the girl Shiona, and named Rei, begins learning what emotion means in the town.

Main characters

  • Rei: A boy who wakes up from the factory and thinks he's Phiroid, covering his mechanical right hand with a glove.
  • Shiona: A girl who lives in a church and loves to sing.
  • Tipi: A girl living in the town library.

Rei in the postwar world

The story takes place in a future where human civilization has been severely damaged by war. Humans once created Phiroids as living companions, but after society collapsed, some artificial life forms were abandoned in the ruins. The boy Rei wakes up from the ruins of the facility, sees his right hand revealing a mechanical structure, and mistakes himself for a Phiroid to search for humans in the desolate lands. Shiona took him in and named him. The latter part of the story reveals that Rei is actually human, with her right hand being a medical prosthetic after battle injuries; The townspeople are the Phiroids waiting for humanity's return.

Shiona, Tipi, and small-town life

Shiona lives in a church, loves singing, and often comforts those around her; She uses shapes and colors to describe her emotions, expressing herself in a way that's slightly different from others. In the library lives a girl named Tipi, who often cries alone. Although the townspeople know of her presence, few people come close. The people Rei meets in the town are not just background residents: each carries loss, waiting, and imagination about the future, allowing him to observe how different emotions affect human connections. The relationship formed by Rei, Shiona, and Tipi is the gateway through which he understands emotions and "people."

A Kinetic Novel driven by emotional reading

Harmonia does not focus on choosing branches or multiple routes. Players read text, character dialogue, and performances in a fixed order, following the story as if reading a novel or watching a movie. Music, character expressions, and background visuals all contribute to the narrative, with the chapters focusing on how Rei identifies emotions, how Shiona expresses feelings, and whether artificial life can possess the human heart.

Original and Full HD Edition

The original Steam version of Harmonia, developed and published by VisualArts/Key, was released on September 22, 2016, offering English and Chinese Simplified text as well as Japanese voice acting. The Japanese physical edition of Key was released on May 26, 2017, followed by the regular edition on April 26, 2019. The "Harmonia Full HD Edition," released on April 24, 2024, is another HD version supporting 1920×1080 resolution, Chinese Simplified and Japanese text, and for the first time, adding voice acting for Rei and twenty-six background characters.

Churches, libraries, and grocery stores

Rei covered his right hand, which was exposed to mechanical structures, with gloves; The latter part reveals that it is a medical prosthetic arm after war injuries. Shiona took him in at church, describing his emotions through color and shape. Tipi hides in a library that preserves paper books; the townspeople know she but are reluctant to approach; Grocery store owner Madd searches for damaged tools in abandoned factories, repairs them, and sells them.

Developed for the Switch version

The Switch version was released on October 20, 2022, offering Japanese, English, Simplified Chinese, and full Japanese voice acting. Itaru Higami was responsible for character design and key animation, Tsuzuru Nakamura and Kai handled the script, and Shinji Orito, Ryo Mizuki, and Tomohiro Takeshita handled the music. Shiona, Tipi, and Madd already had voice acting; in the Switch version, Rei and other characters were further voiced, with Rei portrayed by Ryo Nishitani.

Soundtrack albums and tracklists

"Harmonia Original SoundTrack" was released on 2017-05-26, cataloged as the first disc with 17 tracks. The Japanese PC physical first press limited edition comes with an original soundtrack, including Latin and English soundtrack, 'Todoketai Melody: Short Edition and Eternal Star'.

Original soundtrack and 2015 theme song CD

In the soundtrack, "Terrarum," "Cantus," "Library," "Tristitia," and "Harmonia" were composed by Suigetsu Ling, while "Oppidum," "Vitae," and "Rruinis" were composed by Shinji Orito. The digital catalog for "Toteketai Melody/To the Forever Star" (KSLA-0100) was listed on April 11, 2015, and Key's 15th anniversary event product page listed as being sold on April 11 and 12. Complete "Melody I Want to Deliver" lyrics by Kaikai, composed by Shinji Orito, arranged by Yuichiro Tsukakoshi, performed by Ayaka Kitazawa; The second track, titled 'Towa no Hoshi' on the activity page, features lyrics by Kai, composition by Tomohiro Takeshita, arrangement by Meeon, and vocals by Haruka Shimotsuki. The current digital catalog is titled 'To the Star of Eternity'. The single consists of two full vocal tracks and two off vocal tracks, and the 2017 OST includes a short version of "Delivery Melody."

Corresponding to the original song of teneritas

The first press edition piano disc "teneritas" (KSLA-0135) includes eleven arrangements. "Kotoba" is taken from "Melody I Want to Deliver," "Sekai," "Itonami," and "Uta-Umono" are taken from Terrarum, Vitae, and Cantus respectively; "Ikoi," "Kiroku," and "Claw" are taken from the Optimum, Library, and Rruinis respectively; "Tsumi" "Kanashimi" "Ayumi" "Towa" are taken from Pecado, Tristitia, Harmonia, and Eternal Star respectively. The physical first press edition released on May 26, 2017, and the bonus set excluding the game both include the original soundtrack, this piano disc, and the music box of 'To the Eternal Star.'

Three Harmonia adaptations from JUKEMATA

"JUKEMATA" includes three independently arranged tracks by Harmonia: "Vitae," "To the Forever Star," and "Harmonia," arranged by Soyu, Shoji Morifuji, and Shuhei Ohashi. "To the Eternal Star" again features lyrics by Kai, composed by Tomohiro Takeshita, performed by Haruka Shimotsuki, with Hacho Clear playing guitar; These positions correspond to JUKEMATA recording.

Human boys and the town of Phiroid

Rei thought the mechanical right hand meant he was Phiroid, but in reality, he was a human who had experienced war and had medical prosthetics installed. Shiona, Tipi, and the townspeople are the real Phiroid. They wait for humans to return, and continue to imitate and maintain human daily life in a town without human habitation.

Shiona stopped offering comfort for her reasons

After the young man's funeral, Rei wanted to comfort Tipi, but Shiona repeatedly stopped him, and later even kept him at the church to meet Tipi alone. Tipi belongs to the old model who cannot understand human death, waiting for their parents to return for years; Once the sadness is removed, she stops functioning. Madd also stopped because he lost his anger. Shiona's cold actions are thus linked to the preservation of Tipi's life.

After parting, we continue moving forward

Shiona and Tipi eventually leave, leaving Rei with the emotions and memories given to him by small-town life, choosing to continue living and re-enter the desolate world.

Related entries

References

Data compiled on: 2026-10-07.

本版编辑：免费机器翻译 · 2026-10-17

内容许可：CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/

本译文依据的源修订