Last Horizon: Live (Last Horizon #2)

Last Horizon, the world's first fully immersive RPG leaves Beta goes Live! Rejoin David, Miriam, Will and Lavender as they spend David's last few months trying to find happiness and joy within the world of Last Horizon, and deal with those not content to let the friends enjoy their time together.

(This is light LitRPG, there aren't any of the crunchy numbers you find in other books of the genre. The book still revolves around a game world and the characters do level up and gain new abilities.)