Lonely thirty-seven-year-old Satoru Mikami is stuck in a dead-end job, unhappy with his mundane life, but after dying at the hands of a robber, he awakens to a fresh start in a fantasy realm...as a slime monster! As he acclimates to his goopy new existence, his exploits with the other monsters set off a chain of events that will change his new world forever!
After being exiled from the nation of Dwargon, Rimuru and the dwarves return to the village of the goblins. After their arrival they a lot of goblins from other villages who Rimuru proceeds to name. A few days after a few adventurers arrive after being chased by fire ants and are saved by Rimuru, with one of the adventurers being another World Traveler. While the other adventurers are having a meal he has a talk with her about their old home while riding on Ranga.