Doraemon's World: The Ultimate Exchange System

What happens when you're thrown into Doraemon's world with a system that can exchange for literally anything? The protagonist isn't your typical hero—he's a wild card with reality-bending powers and zero interest in following the script. Armed with an all-powerful exchange system, he'll reshape this beloved universe in ways no one expects. Forget predictable plots and safe choices—this is a story where anything goes, and the only rule is there are no rules.