"Why can the doctor command immediately upon waking up?!" "Because he was once stationed in the Intercity." "Why does he know so much about firearms?!" "Because he had a broken nose." "Why can he use magic when he's not a magician?!" "Because he witnessed the freezing of humanity." "Why do we feel so familiar even though we've never met?!" "Because it's a long-awaited reunion." "Then why did he run away?!" "Because I'm not going to be the Doctor's Master/Commander anymore!" PS1: Crossover anime, Infinite, No Game No Life Zero starts here, see the volume title for the rest. PS2: Just so you know, there are absolutely no yanderes this time!

(Synopsis — weak/short)

On the endless battlefield, only fighting can protect the nation behind you. Once you are defeated and die, the country will be overrun by endless monsters. Only when the first light of dawn arrives will humanity have a brief moment to catch its breath.

……Please choose your entry method: Crossing over or Rebirth.

Wu Guang: “Good grief! This rebirth entry is way better than everyone else’s—don’t you get an extra lifetime, or even several lifetimes? Everything you gain in a new world can be brought back exactly as it is? And every time you enter a new world, you gain another clone—doesn’t that mean extra lives?! Wait… why don’t you guys have this?”

Alternate title: Regarding How I Had So Many Identities That My True Body Was Forgotten by Everyone.