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The hollow organ

"Sky-Colored Organ" (空色の風琴) is a fantasy adventure game developed by LOTUS. The protagonist and Satsusa are drawn into another world because of a relic, searching for each other and a way back to their original lives, gradually coming into contact with the world where the organ and crystal are connected.

Work information
Title of the workSky-blue organ
Chinese nameThe hollow organ
The publication date listed in the materials2004-03-26
PlatformPC / PS2
GenreADV
Also known asSora-iro no Organ
Developmentザ・ロータス
Releaseザ・ロータス、プリンセスソフト
ScriptNanako Haruna
Key animationRyo Ueda, Rin Minase
MusicDOORS MUSIC ENTERTAINMENT
Game engineExHibit
Website address recorded by the sourcehttps://web.archive.org/web/20051110151814/http://lotus-inc.jp/web/organ/index.html
External links to source recordshttps://erogamescape.org/~ap2/ero/toukei_kaiseki/game.php?game=3354 / https://vndb.org/v962 / http://www.getchu.com/soft.phtml?id=16454

Source: Structured works maintained by the Bangumi community, filtered and rearranged by this site.

The journey of the relic unfolding

Satsuha is both a relative of the protagonist and his student. A piece of jewelry left behind triggers a mutation, transporting the two to a strange world. After waking up, the protagonist is separated from Sasa, and with the help of Stella's family, they temporarily stay in the area while searching for her.

The organ and life in another world

Stella holds the roles of city administrator and organ repairman, and the large organs and luthiers in the city hold significant status. The protagonist gradually learns about local life and past through interactions with different girls and searching for crystals. The story is driven by the journey, and Sasa's origins are explained as the story unfolds.

Production and character music

Nanako Haruna was responsible for the script, with Ryo Ueda and Rin Minase participating in the original animation. The music not only features the opening theme "TRACE~The Place Where You Echo," but also sets theme songs for characters like Satsusa and Stella; The opening theme features vocals by Hiromi Sato, lyrics and composition by Aya Yoshida, and arrangement by Yoshito Hatake. The work was later ported to PS2 'Remix,' with a separate production list listing additional production and voice actors.

Gems and another world

The protagonist is a cram school instructor who, during Kisetsuki Kisaragi's forty-nine-day memorial service, returns the gem and has a dispute with Kiyuki's daughter, her cousin Sasa. The necklace suddenly glows, and when he wakes up, he is lost in another world. April and her teacher Stella rescue him, and since then, he has lived in Alcio while searching for Hayata.

Small-town residents

Stella is an inventor and artist, and April learns engineering from her; Floria produces star bells at the musical instrument workshop. The forgetful Menum works at Kujira-tei, the serious Millet comes from the Eastern Akatsuki Church, and Lufeuille leaves home to participate in a Star Festival dance. The celestial musician Leohart who arrives in town is an old acquaintance of Stella's music academy.

Star Festival and celestial sphere performances

Alcio's white windmill and church organ are the town's landmarks. On the day the guardian planet Tsubame Star is at its highest point, a Star Festival is held, where residents display star bells and sing and dance. Celestial musicians perform the starry night tune through calculation and prayer, and also take on the role of clergy during rituals.

Production and first press bonuses

The PC version was released on March 26, 2004, written by Nanako Haruna, illustrated by Ryo Ueda and Rin Minase, and DOORS Music. The First Press comes with an illustration collection, and the debut commemorative press includes a 9-track singing CD. The two types of accessories are different.

Songs and character themes

The ending theme of "TRACE~A Place Where We Resonate" is performed by Hiromi Sato. The seven song themes correspond to Floria, Menam, April, Lefère, Millet, Stella, and Haysa, with other performers Kanako Ito, Marina Ohno, yozuca*, YURIA, and Mayumi. Bun Yoshida, reico, Nanako Haruna, and Hajime Kanagi participated in writing different songs, with Yoshito Hata signing and arranging.

Source: Structured works maintained by the Bangumi community, filtered and rearranged by this site.

Related entries

References

Source author: Bangumi article contributor and community maintainer; License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/); Adaptation: This site filters and reorganizes structured facts, without copying the article summary.

Data compiled on: 2026-10-07.

本版编辑：免费机器翻译 · 2026-10-10

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

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