Missed the College Entrance Examination and Was Forcibly Taken Away by 749

Three months before the college entrance examination, Shen Xian smashed a black dog's head with a brick. Bureau 749 came to his door and told him that he had killed the monster they had been chasing for three days. The second son is extremely talented and is a good candidate for killing monsters. From then on, the dark side world had an investigator whose subordinates had never been left alive. The slogan of 749 is to contain, detain and protect. Shen Xian's slogan is - kill, kill, kill