Premieres October 4th. The new PV is here. Check out the ANN article for additional information. Synopsis from AniList:

The second season of Sword Art Online Alternative: Gun Gale Online.

LLENN, M, Fukaziroh, and Pitohui form the strongest team, LPFM for short, and enter a new battle royale death match tournament that was annouced out of the blue.

LPFM is eyed as the top favorite candidate team to win, but the team will have to endure several rigorous ordeals to get there: a playing field that sinks into the ocean with the passage of time, an unknown area hidden in the middle of the map, and an anonymous team conspiracy.

In addition to all of this, all players will have to follow some shocking special rules if they want to play the game and win…