(Crossover) The Story of How I Reincarnated as a Slime, Then Reincarnated as a Human

Human life had begun. After office worker Satoru Mikami was stabbed to death on the road by a criminal, he came to and discovered that he had been reincarnated in another world. But he was a "slime"! After receiving the name Rimuru, he began his life as a slime. As he got to know and interact with all kinds of races, he set himself a goal: "To build a nation where every race can live together in happiness!" Just as he achieved that goal, an accident happened. He, once Satoru Mikami and now Rimuru, was unexpectedly reincarnated in another world once again. "Hello, everyone. I'm Rimuru Tempest, and I used to be Satoru Mikami. I'm just a weak little slime." So said the boy with light blue hair.