Here is the story synopsis, via Key:
Skyout is a cutting-edge VR action-battle race. T-bit is not your ordinary high school student. He’s also an undefeated genius gamer. Day in and day out, he logs into Skyout, winning lots of prize money.
But one day he ends up wandering into a mysterious area. Lunar World, a Moon server whose existence no one knows about. There T-bit meets an AI avatar who introduces herself as LUNAR-Q.
It turns out that she’s a rejected mascot character for the Lunar Surface Development Project, and she dreams of seeing the Earth some day…
Update 10/19/23 at 3:30 a.m.: The official website is live, which confirms that the Switch release will feature both English, Japanese, and Simplified Chinese text.