In the year 2222 of the lunar calendar, the black sun suddenly rose from the abyss and hung in the sky for seven days, plunging the world into darkness.
In this incident, the entire equator collapsed, and Aquamarine opened a 40,000-kilometer-long shadow abyss, spanning from east to west.
Seven days later, the dark sun receded and light returned to the earth.
But when people cheered that the disaster was over, they didn't know that endless terror was awakening from the Shadow Abyss.
Since then, the world has recovered and a hundred ghosts roam the night.
