The rules of the world come again and again, but when the world line splits, the choices will also change the future. We will break the rules, come to the top of the world, decipher the truth of everything, and become the master of the world. Here, I will swear an oath to you people to guard your peace and lead the world until the end. ————(?)
Concept: Who can refuse a group of girls trying to save each other?