After Passing Through the Book, I Actually Chased the Demon King

In the 21st century, Sang Ran, a single dog and a social animal, traveled into a strange world, fell in love with the amazing demon king, and survived in the demon world tenaciously. The Demon King looks forward to the next delicious meal every day. However, his cook is not very reliable. Every time there is a near miss, he is secretly frightened: "What a danger! The food almost got cold!"