(The author was ignorant and wrote randomly)
Because of the wish she once made in front of God, Yu became the sister of Gojo Satoru, the strongest man in the world of magic. However, as a person who understands this world, she did not want to live as a magician at first. However, because she made a wish with the gods to have a very powerful ability, she eventually became a relatively powerful magician.
In this case... Should we try to change something?
"Changing the ending that the world should have has a huge price to pay." God knocked on the girl's head and asked her to give up this idea.
Concept: Time travel and rescue chaos plot