Truck-kun has to transport someone who isn't a total nerd at some point. This man is the slightly unhinged mafia enforcer, hopeless romantic and aspiring author Dante Howard. He has been transported into a primitive world; where death follows closely behind everyone, people betray eachother, and tribes are constantly waging war, Dante has to build up his own Mafia family to fend off against the mysterious invaders, lest he be killed.