(Double heroines: Blood clan Shen Ci × Angel Yu Tang)
Three years ago, five fires burned through the Empire Border during the "Night of Ashes." The case file is sealed, codenamed X-077.
Three years later, the same fire started again.
Shen Ci, a vampire from the Abyss, is the youngest agent in the Investigation Department and can smell the smell of lies. She talks less and strikes quickly. She has been carrying the old files of X-077 by herself for three years. Until a newly adult vigil angel came from heaven.
Yu Tang had a photographic memory and a smile that was easy to talk to, but no one told her that her mother died in the fire on the Ashes Night.
Shen Ci wants to close the case. Yu Tang wants the truth.
The cursed fire was mixed with "air conditioning" that shouldn't exist; there was a batch of "old goods" hidden in the old warehouse that shouldn't exist; deep in the Elf Dominion, there was a name that had been erased for three hundred years.
What lies beneath the ashes is awakening.
And Shen Ci discovered that the fire got closer and closer, and it was she who was burned who was so close.