Interspecies Harem

Gran, an engineer, awakens in an unknown world after dying in a car accident. He discovered he's been given a second chance by a goddess from another world, however with a catch - he must create an interspecies civilization.



Determined to live longer in this new life, Gran resolves to use his engineering knowledge and newfound abilities towards fulfilling the goddess's task and securing his place in this new world, all while extending his own lifespan.