Demon-Suppression Bureau, Crossing the Underworld

Because of his unusual constitution, the young Shen Mo is swept up into the Demon Suppression Bureau, where he starts out as a green trainee demon slayer. As he learns the art of slaying demons, he also discovers his own potential to "guide demons across." By handling one supernatural incident after another, he gradually uncovers a corner of the world, along with the truth about Shen Mo's origins and the mastermind behind it all.