Shirosaki Reito was suddenly sucked in by a mysterious crack and got transferred in between dimensions. He got reincarnated as a baby in another world. He was born in the royal family and was the heir to the throne, but was driven out of the palace. The reason was that he was born as a support magician and had alchemist as a job, the lowest job that existed in the new world. People who had that profession were considered jobless. But there was a secret hidden in that job!