I’m Living as a Healer in Nord World

Nord World, a game that is being ruined by the production company’s neglect.
One day, an event notice suddenly appeared.
[Pre-Booking for the Winter Monster Invasion Event]] [If you accept, go to the waiting room. If you refuse, you’ll be logged out immediately.] [Will you make a reservation in advance reservation?] [Yes | No]
All players who pressed Yes for the event are now trapped in the game.