God Also Longs for Professional Heroes?

The most powerful son of God comes to earth... Because he couldn't stand the unscrupulousness of the "Soul Eater" in the mortal world, He turned into a colorful shooting star, carrying a holy sword that symbolized justice. He was called "Zero" and his real name was never known. Just because a real "hero" doesn't need to leave too many marks He will travel to every continent to defeat all evil But this journey is infinitely long