EXPANDED WORLD

The world did not end. It disappeared. One moment, everything was normal—schools, families, cities, life itself.The next moment… adults and children began vanishing without warning. Animals too. Only a selected group remained. Three students from the same school survived the impossible event:Riku Arakawa, Kaizen Ryuu, and Akira Seno. But survival was only the beginning. In this new broken reality, a mysterious energy awakens inside humans—Expanded Force, a power system that changes everything. Riku learns to fight using a katana enhanced by this energy.Kaizen awakens destructive transformation forms.Akira… remains silent, still unknown, still untouched. As they travel through the devastated world, they discover:this is not an accident…but a cycle. And something is watching them from behind it all. Villains emerge.Hidden organizations rise.Reality itself begins to bend. In a world where survival means awakening… Who controls the Expanded World?