War of Resistance: Armed with an Arsenal, I'm the Equal of Yan Shuangying!

[No saintly protagonist + mindless power fantasy + invincible + overwhelming dominance + ruthless and merciless + the Japanese invaders all deserve to die] Ai Guo, an elite special forces soldier from the Dragon Nation, is reborn in 1938 and also obtains a System. A mobile arsenal. [Bulletproof Vest (invincible while moving)] [Fire Qilin (bullets controlled by thought)] [Barrett (effective range: ten thousand meters)] [...] As a Dragon Nation patriot with a heart full of passion, he loves this System. He vows to kill every Japanese invader who sets foot on Dragon Nation soil. (This is a fictional alternate world. Any resemblance to actual people or events is purely coincidental.)