Hello, I found some novels that might fit your description. But because your description is short, I'm not sure whether these novels are what you are looking for. Here are some novels I found:

The devil in another world and the slave magic of summoning girls: this is a very popular novel, which tells the story of a modern man crossing into a world full of magic and extraordinary power. He met all kinds of people and creatures there and started an adventure.

Black-hearted enterprise in the maze of another plane: this is a very interesting novel, telling the story of a man crossing into a world full of technology and magic. He met all kinds of people and creatures there and started an adventure.

Restaurant in a Different World: This is a very interesting novel, which tells the story of a man crossing into a world full of magic and extraordinary power. He met all kinds of people and creatures there and started an adventure.