The Star-Moon Continent is attached to a blue planet called the Earth because it is in a chaotic space. Therefore, even if it is not smaller than the earth, in the earth, it is only a white particle the size of a sesame seed.
The two planets were originally coexisting in peace, but due to the slight turmoil on the earth, the planet was devastated. Finally, someone knew that the days of being dependent on other planets should end.