Salvation System 0601 accidentally bound the demons who died for saving the world, and one person started a journey of salvation that started with negative points.
The first world, love brain destroys the world
The Second World: Resident Evil, the Destruction of the Genius Chemist
The third world: spiritual energy revives and demons destroy the world
The fourth world: technological invasion, confrontation with the future world
The Fifth World Tomb of the Gods
The Sixth World: Thinking about the world, meeting each other for the first time
...
Tentatively decide on these worlds
Main and Suffer, 1V1, attacking very late, appearing in the sixth world
Purpose: He who saves others also saves himself