GREE X Launches LINE Mini App "Shiromaru no Oheya"
GREE X has launched "Shiromaru no Oheya", a breeding game featuring the popular LINE stamp character "Shiromaru", as a LINE mini app.
📋 Article Processing Timeline
- 📰 Published: April 10, 2026 at 03:00
- 🔍 Collected: April 10, 2026 at 09:01 (6h 1m after Published)
- 🤖 AI Analyzed: April 20, 2026 at 07:54 (238h 52m after Collected)
GREE X, Inc. (Headquarters: Minato-ku, Tokyo, President: Kazuhisa Adachi, a wholly-owned subsidiary of GREE, Inc.) has started offering "Shiromaru no Oheya," a breeding game based on the LINE stamp character "Shiromaru," as a LINE mini app.
■ Background of the Service
Under GREE, Inc.'s mission of "Making the world a better place through the Internet," GREE X has consistently provided comprehensive support from service design to development, operation, and growth for companies through its DX consulting business.
In recent years, LINE mini apps have rapidly grown as a new platform connecting companies and consumers, attracting attention for their ability to deliver services to over 100 million LINE users (*1) without requiring app downloads. Meanwhile, in the area of IP content, as demand for digital experiences utilizing characters increases, development capabilities and growth operation know-how are needed to maximize their appeal.
Against this background, we have developed the breeding game "Shiromaru no Oheya" to maximize the IP value of "Shiromaru," leveraging the digital service planning, development capabilities, and operational expertise we have cultivated. By combining the convenience unique to LINE mini apps with the rich experience of interacting with the character, we will deliver small moments of healing in daily life to a wide range of users.
■ Service Overview
"Shiromaru no Oheya" is a breeding game where you deepen your bond through conversation and care while living with "Shiromaru," the beloved character from the LINE stamp series. Players increase their intimacy with Shiromaru by talking to him and taking care of him daily. You can also enjoy collection elements, aiming to complete the "picture book" by collecting Shiromaru in various appearances.
Because it is provided as a LINE mini app, no app download is required. Simply by opening LINE, you can easily enjoy interacting with Shiromaru at any time.
- For more details, click here: LINE Mini App "Shiromaru no Oheya"
■ About "Shiromaru"
"Shiromaru" is a popular LINE stamp character created by creator Tomoko Ishii. Its simple, adorable design and expressive faces are supported by many users.
■ Future Prospects
GREE X will utilize the planning, development, and operational expertise cultivated in its DX consulting business to go beyond corporate DX support and work on creating new experience value that combines IP content and digital technology. We will return the LINE mini app development and operation know-how gained through the provision of this service to future client support, further expanding our support area for service development utilizing the LINE platform.
Furthermore, we will focus on realizing more personalized user experiences utilizing AI technology, aiming to expand business opportunities in the digital content area.
*1: Source: LY Corporation, January 29, 2026, "LINE Domestic Monthly Active Users Exceeds 100 Million"
■ Background of the Service
Under GREE, Inc.'s mission of "Making the world a better place through the Internet," GREE X has consistently provided comprehensive support from service design to development, operation, and growth for companies through its DX consulting business.
In recent years, LINE mini apps have rapidly grown as a new platform connecting companies and consumers, attracting attention for their ability to deliver services to over 100 million LINE users (*1) without requiring app downloads. Meanwhile, in the area of IP content, as demand for digital experiences utilizing characters increases, development capabilities and growth operation know-how are needed to maximize their appeal.
Against this background, we have developed the breeding game "Shiromaru no Oheya" to maximize the IP value of "Shiromaru," leveraging the digital service planning, development capabilities, and operational expertise we have cultivated. By combining the convenience unique to LINE mini apps with the rich experience of interacting with the character, we will deliver small moments of healing in daily life to a wide range of users.
■ Service Overview
"Shiromaru no Oheya" is a breeding game where you deepen your bond through conversation and care while living with "Shiromaru," the beloved character from the LINE stamp series. Players increase their intimacy with Shiromaru by talking to him and taking care of him daily. You can also enjoy collection elements, aiming to complete the "picture book" by collecting Shiromaru in various appearances.
Because it is provided as a LINE mini app, no app download is required. Simply by opening LINE, you can easily enjoy interacting with Shiromaru at any time.
- For more details, click here: LINE Mini App "Shiromaru no Oheya"
■ About "Shiromaru"
"Shiromaru" is a popular LINE stamp character created by creator Tomoko Ishii. Its simple, adorable design and expressive faces are supported by many users.
■ Future Prospects
GREE X will utilize the planning, development, and operational expertise cultivated in its DX consulting business to go beyond corporate DX support and work on creating new experience value that combines IP content and digital technology. We will return the LINE mini app development and operation know-how gained through the provision of this service to future client support, further expanding our support area for service development utilizing the LINE platform.
Furthermore, we will focus on realizing more personalized user experiences utilizing AI technology, aiming to expand business opportunities in the digital content area.
*1: Source: LY Corporation, January 29, 2026, "LINE Domestic Monthly Active Users Exceeds 100 Million"