Great Lord of the Divine Sea

Traveling through the fantasy world, by chance, I became the owner of a small island and built it into a fantasy city. In order to live a better life and live the technological life of his previous life, the protagonist started his fantasy technological development. People in this world have now experienced the fun of unlimited face-to-face virtual video communication between people thousands of miles away. Lying on the soft sofa, holding the rune phone called PHS, he was reading the female mage explaining the mysteries of magic. After the birth of the fantasy version of the Internet, people in this world have experienced that they can shop at home without leaving home.