The Great Hero of Quick Travel

Do you want to be a hero that everyone sings and saves the world? By signing this contract, you will get something you want most, and you will also have powerful superpowers; You will go to other worlds, eliminate darkness and evil, and become a hero remembered by that world; When you sign the contract, you will be given a new lease of life... PS: The world the protagonist travels through has everything from magic to high technology. Reading guide: 1. This is a story in which the protagonist travels to other worlds to save people. 2. The setting cannot withstand scrutiny 3. The attack and reception are unknown. Anyway, in this era when writing cannot be done below the neck, it will be the same whoever attacks and who receives. 4. This article is (probably) a cool article