As the two worlds merged, under the power of the new rules, everyone, regardless of whether they had played games before, was forced to become a player at this moment...

The real world entered a brand-new era, an era of national gaming, an era where players and monsters coexisted.

All high-tech and thermal weapons became almost ineffective, and all laws and regulations were rendered obsolete.

Because at this time, monsters were attacking everywhere globally, leaving almost no safe place, forcing everyone to take up arms and fight against the monsters.