Celebrating Three Years of OU: New Music, Merchandise, and Exhibitions

Celebrating Three Years of OU

On August 31, 2026, G-MODE Corporation marked a significant milestone by celebrating the third anniversary of the picturesque adventure game OU. Based in Tokyo's Shinagawa district, G-MODE's president Seichiro Kato extended his heartfelt gratitude to all players who have supported the game thus far.

The anniversary celebration kicked off with several exciting announcements:

OU Original Soundtrack Streaming Available

Fans can now immerse themselves in the nostalgic and beautifully composed tracks from OU on various music streaming platforms, including Spotify, Apple Music, YouTube Music, and Amazon Music. Composed entirely by the talented Taisuke Shiiba, the soundtrack features the main theme song, "Omajina no Youni," sung by Hanami Miketa in both Japanese and English versions. The soundtrack promises to bring back fond memories associated with the game.

Listen to the Soundtrack:

Streaming Services

OU is also available on Steam for players who are yet to experience this magical adventure: Steam Page

New Merchandise: OU Sketchbook-Style Ring Notebook

In addition to the soundtrack, G-MODE revealed a special anniversary merchandise item: the OU Sketchbook-Style Ring Notebook. This item will be available for pre-order at the official G-MODE BOOTH store starting today. The notebook features:

- A5 size
- 28 pages of high-quality paper

Pre-order your Notebook Here:

BOOTH Store

Reservation Period: August 31, 2026 - September 30, 2026, until 23:59.
Expected shipping date is around October 2026. Details about general sales will follow.

Don’t miss out on our first-anniversary art book, also available: Art Book

Return of the OU Art Exhibition

G-MODE also announced the re-launch of the OU Art Exhibition after last year's success, which took place from August 22 to August 24 at GALLERY IRO in Kichijoji, Tokyo. This year, the exhibition is set to be held in the Kansai region. The exact dates and venue details will be announced later.

Special Feature: Spring Walk in the Satoyama Art Exhibition

Alongside, there will be a simultaneous exhibition featuring original art from Spring Walk in the Satoyama, another charming adventure game that draws players into a hand-drawn universe. Join us to experience the warmth and grandeur of original artworks.

Spring Walk in the Satoyama Overview

In the short spring of Satoyama, the story depicts the connections among animals and plants. Players relive childhood memories as they explore lush fields, play until dusk, and embark on a heartwarming journey with Tanuki and his friend Fox.

Release Date: Spring 2027
Genre: Satoyama exploration adventure
Platforms: Nintendo Switch, Steam
Languages: Japanese, English, Chinese

Experience the enchanting setting of Satoyama and let the emotional narrative and art draw you in.

OU and Heartreasure Collaboration Bundle

In celebration of the third anniversary, G-MODE has launched a collaboration bundle featuring the charming titles OU and Heartreasure: Stellar Journey on Steam, offering players a chance to enjoy both hand-drawn experiences at a discounted price.

Get the Bundle Here:

Steam Bundle

As a final note, the Heartreasure: Stellar Journey Nintendo Switch version is also set to be released by G-MODE in 2026.

For more details, check the G-MODE NEXT PREVIEW YouTube broadcast archive available here: YouTube Archive

About OU

OU, which tells a tender story of self-discovery in a beautifully illustrated world, invites players to embark on a journey with the protagonist OU, who wakes up on a riverbed with lost memories, guided by a fire-tailed opossum named Sally. Encounter various characters and weave through a narrative that evolves based on your choices. With a nostalgic atmosphere reminiscent of illustrated children's books and soothing music featuring guitar and other instruments, OU presents an adventure game that challenges traditional storytelling forms.

Game Information:

- Price: Digital version - 2,400 JPY; Package version - 4,200 JPY (Standard), 9,480 JPY (Collector's Edition)
- Supported Platforms: Nintendo Switch™, Steam
- Supported Languages: Japanese, English, French, German, Italian, Chinese (Simplified), Spanish, Portuguese
- CERO: B

For more details about OU, visit:

About G-MODE Corporation

G-MODE is a developer and publisher of game content across mobile, PC, and consumer platforms. Known for beloved titles like Minna de Kuki Yomi and the Toridama series, G-MODE has also ventured into licensing former arcade hits and restoring classic mobile games for modern audiences. In 2018, the company commenced publishing its own titles and indie creator games on platforms including Nintendo Switch™.