An All-Round Player in Infinite Dimensions

The first player to enter the game? When you hear something, the game starts When you die while performing a mission, reality dies too? Do you need to deduct money if you fail to complete the task? No matter what time it is in the mission, in reality it is also one night Dungeon, mission, team formation, lobby, is this a game? Divided into main world and real world Magic? Profession? What kind of world is this?