Points System for Redeeming Points for Killing Enemies

The Strongest Single-Soldier Enemy-Killing System in the War of Resistance

I want to read a book similar to "The Strongest Single-Soldier Killing System of the War of Resistance". In the parallel world of the Anti-Japanese War era, carry a single-soldier killing system! If you can make a sneak attack, never attack head-on; if you can make a move, never beep. Barrett's headshot, anti-aircraft machine gun's flat shot, Vulcan cannon sweep, all arranged