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The keys of memory

"The Key of Memory" (記憶のキーボード/Harmonic Reflections) is a visual novel by Laplacian based on the novel of the same name by Ono Wasabi. The story takes place during a summer in Kamakura, centering on Ayuto Shigezumi, who cannot hear a piano, and two young girls.

Work information
Title of the workMemory keyboard
Chinese nameThe keys of memory
The publication date listed in the materials2025-07-22
PlatformNintendo Switch / PC
Genreビジュアルノベル
DevelopmentLaplacian
ReleaseLaplacian
ScriptWasabi Ono
Key animationFrost's Descent
DirectorRyosuke Hayashi
Game engineKiriKiri
Website address recorded by the sourcehttps://laplacian.jp/games/kenban/
External links to source recordshttps://store.steampowered.com/app/3782920/_/ / https://erogamescape.org/~ap2/ero/toukei_kaiseki/game.php?game=38696 / https://vndb.org/v56342

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

The inaudible piano

Ayuto's father, a senior in high school, was a famous pianist, and his younger brother Tokio inherited his musical talent; Ayuto was unable to hear the piano and lost part of his childhood memories; it was unclear when this situation started. Despite inexplicable deficiencies, he maintains good relationships with his family, often works part-time, and hopes to support his younger brother's future development.

Two young girls

Eri Tachibana is Ayuto's classmate and serves as the strong captain of the women's karate club. The two were very close; others even thought they were dating, but Bu Ren never openly confessed their feelings. Another girl, Amane Sari, suddenly appears, claiming to possess memories of the future. Her appearance connects the Stepper Step's past, present feelings, and events that have yet to happen.

The last high school summer

Abuto searches for direction between his younger brother's talent, his own confusion, and their two relationships. By her side is Angie, the easygoing and caring male karate club captain. The story places musical experiences and campus interactions within the same limited summer, with hints from future memories gradually shaping the characters' existing relationships.

Selection and adaptation forms

The game progresses by reading text, watching visuals, and listening to voice acting, with choices to decide which girl to ultimately bond with, with two possible endings. The original work is a novel of the same name published by the new trend library nex, while the game version presents this love triangle through branching, character performances, and soundtrack. The production team expects the process to take about four to five hours.

Production and distribution

Wasabi Ono was responsible for the script and production direction, Shimoguri handled key animation, Pearlette served as art director, Muu Dogg handled sound coordination, and Ryosuke Hayashi served as director. Sari, Eri, and Angie are voiced by Asaki Yukigawa and Atsushi Akari Kito and Atsushi Otamaru, respectively. The game offers Japanese audio as well as Chinese, English, and Japanese, and is available for download on Steam and Switch.

Younger brother and piano

Ayuto's father was a late pianist, and his younger brother Tokio inherited musical talent. The walker cannot hear the piano, nor do they know the reason or the start time; He did not become distant from his family because of this, but instead worked to support his brother's future.

Classmates and clubs

Eri leads the strong women's karate club, while Angie leads the weaker boys' club. Ayuto and Eri are close, but neither has confirmed them as a couple; Sari claims to have future memories, and her arrival brings a turning point to this final high school summer.

Production and sound

Wasabi Ono handled the script and executive production, Shimofuri handled key animation, Pereto handled art direction, Muu Dogg handled sound direction, Ryosuke Hayashi directed, and Kawaki Jotou handled the design. Sari, Eri, and Angie are voiced by Asaki Iikawa and Akari Kito and Atsushi Wadamaro, respectively; Ichina Takashima and Fuki performed the theme song signed by Fuki.

Original novel and book design

Shincho Bunko nex will publish the novel of the same name by Ono Wasabi on June 25, 2025. The print edition is 320 pages long, ISBN 978-4-10-180306-7. Shimoyuki illustrated the cover, Kazuki designed the cover, and Kawatani Design handled the layout. The game treats it as the original work.

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 · 2026-10-11

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