As the interstellar century arrived, humanity mastered the expansive sea of stars, propelled by insatiable desires. Ultimately, disaster struck when aliens invaded, leading to years of fierce conflict. The Feralas Death Front was eventually established, resulting in the formation of a designated star field, marking the beginning of the Gensokyo Era———History. However, motivated by their desires, humans relentlessly pursued knowledge and exploration, ultimately advancing to black technology and entering the domain of forbidden gods. Millennia later, the realm of dreams will flourish, disillusion, and herald a magnificent new interstellar age.