Every plane travels along its own river of time and space, like countless parallel lines that never intersect. Until the great, unspeakable Overlord turned over in its sleep. Amid a storm that crossed countless universes and planes, those innumerable parallel lines trembled and intertwined. Then, carried by their own momentum, they separated again. Yet that brief contact silently left behind countless spatial nodes, densely scattered across the temporal and spatial barriers of every plane, awaiting the arrival of the lucky or the unfortunate...
In the year 2020 on Blue Star, more and more people began vanishing without warning, finally drawing the attention of governments around the world. But it was only after the first person to disappear returned and was entered into the records that a nameless game spanning time and space slowly began to reveal a glimpse of its mystery...
In the year 2022 on Blue Star, the officially backed Parallel Lines forum went online, and through unofficial channels, the game provisionally named Parallel Lines was made public. Its participants were formally given the name "Secret-Keepers."
"We are human because of the humanity that remains within us, not because of bodies that will inevitably grow old. The dead salute those who are on their way to die!"
In the deepest reaches of the universe, countless worldlines converge and unite along the tracks of time. This is where the stars shine, and also where they... fall.
