Ultraman is dead.
All of humanity saw it. This is an age of chaos.
Aliens, the Spheres, the Radical Destruction Bringer, Space Beasts... Countless forces of darkness have set their sights on Earth. The whole world has set aside its differences and formed the Earth Defense Force.
But... will that really do any good in the eyes of those monsters?
Lucas, who transmigrated from the real world, is filled with despair as he looks at these monsters, even though he has inherited the power of a Reionics.
Until one day, an old man finds him.
“Young man, would you like to become Ultraman?”