Lin Su stood under the track of "Abyss Falls", the highest roller coaster in the city. The collar of the black trench coat was raised, covering half of his face, revealing only an indifferent chin and a pair of unwavering eyes. He was like a statue blending into the night, waiting quietly.
As an "Abyss Eater", waiting is the norm at work. What he hunts is not people or things, but "echoes" - the spiritual imprints left by extreme negative emotions in a specific place. They are the reverberations of tragedy, the scars of time.
