Key Masterpiece Novel Prequel "planetarian ~ Snow Sphere ~" to be released soon on Steam - The "happiness" of "Hoshino Yumemi" talked about

Key Masterpiece Novel Prequel "planetarian ~ Snow Sphere ~" to be released soon on Steam - The "happiness" of "Hoshino Yumemi" talked about
The Steam version of "PLANETARIAN ~Snow Sphere~" will be released soon....

The linked article is in Japanese.