Damn....ok so saving Mayoi had some slight side effects
.
I mean damn they just about killed everyone. I'm sure someone will pop up at some point and it'd be hilarious if it was Mayoi or something. But right now it's a pretty bleak time. So Shinobu destroyed the world and now everyone is wandering around as zombies.
Shouldn't the main goal right now be to find a way back in time rather than looking for survivors? Don't they still have the semi-risky plan of powering Shinbou up to the max and going back in time that way? Seems like letting Mayoi die as originally destined is kind of the only way to resolve this.