I Planted the Whole World

On the wasteland, when you open the door, you will be greeted by dust, mutated creatures, and barren soil... In order to continue human civilization, the surviving humans began to build shelters in an attempt to reoccupy this land... —————— "Life originated in the ocean, coupled with high temperature, lightning, and primitive atmospheric conditions..." While countless human beings continue to work hard for the continuation of civilization, Yanagawa planted the whole world in his own orchard...