Traveling Through Time and Space: Starting a Business in Another World

He was the prime minister of a country at a young age. He was decisive and decisive in his actions. His appearance was both fairy and monster. It was said that he was not a womanizer. She is a college student majoring in nano-biomedicine in the 21st century. She inexplicably traveled to Penglai Continent after being rejected for a job. He is a prince of a country, with a distinguished status, talent, and gentleness. She is a princess of a country, with a distinguished status, delicate and cute... Several people who originally lived in different worlds suddenly changed time and space, breathing the same sky and living in the same time and space. What kind of experience would she have with them?