In 1999, my hometown was jointly named the best colony of the year and the most valuable alternate world to invade by the Great Witch Council and the World Witch Association. I made some small contributions to this—for example, I sold the coordinates of my hometown to a witch.

What are witches? Are they pitiful women captured and burned by the church? No, they are naturally immortal beings with powerful magic, roaming the starry seas and causing countless races to tremble. What will a human from Earth bring to this world? Will they bring a small, bountiful harvest to the starry seas, or will they introduce a new race that will win the hearts of countless witches? ...This is the story of a somewhat clever human witch, struggling and making her way through the witch world.

Luo Hao, a typical otaku, wakes up to find himself transported to another world, into the body of Lake, a small-town boy, complete with a book of earth magic that he can summon at will. Faced with this unchangeable reality, Luo Hao has no choice but to embark on an unknown journey with his companions.