When the gun smoke dissipated in the rainy Bangkok night, he looked down at the scales emerging from the prey's neck - under the skin soaked in blood, there were actually inhuman lines crawling. As the top assassin in the underground world, he felt a chill to his bones for the first time during a mission.
He originally had a lot of puzzles about this mission, but just when he was trying to figure everything out, a sudden accident came to him. An explosion sounded, the rope broke, and after falling off the cliff, when he opened his eyes again, he turned into a senior high school student~
