In the modern era of spiritual revival, gunfire and runes have redefined the extraordinary.
Shuichi, a boy who walked out of the slums, used a homemade sniper rifle to become the "No. 0 Sharpshooter" of mankind, but he didn't know that he was the missing ninth-generation Demon Emperor of the Demon clan. On the day he turned eighteen, he shot a supernatural monster in the head in the old city. His live broadcast became a hit, topped the trending list, and put himself on the chessboard of the three parties——
