The three problem children, Sakamaki Izayoi, Kudou Asuka, and Kasukabe Yō, are mysteriously summoned to Little Garden by a black rabbit named Black Rabbit.
The problem children learn about Little Garden's nature, the existence of communities based on games, and their role in restoring balance to the world.
Sakamaki Izayoi agrees to take part in the game challenges and helps form the 'No Name' team with Asuka and Yo to compete in Little Garden's contests.
The No Name team participates in their first major game, battling against the Annihilation Team to earn points and influence in Little Garden.
The problem children confront higher-level players and aristocrats who control much of Little Garden's power, revealing deeper conflicts within the world.
It is revealed that Little Garden faces a mysterious crisis that could endanger the balance of their world, prompting the problem children to increase their efforts.
The No Name team enters a high-stakes tournament designed to settle the power struggle in Little Garden and determine the fate of the world.
After restoring balance and overcoming the crisis, the problem children are given the option to return to their world or stay in Little Garden.
