[Discontinued] The World has been taken over by mutated Creatures known as Chimeras, now an Apocalyptic World only some humans remain, Y/N L/N is one of the surviving humans left, will he survive this post apocoliptic world? Well with his harem of girls with overwhelming powers that does anything for him, yes he can.

This story will take places after the events of the anime were you (the reader) are the new transfer student from America who moved to Japan as you where walking to the school you bump into a girl named mato with that will change your life as you have the ability to enter the color world of black rock shooter