I Started with Barrett and I Became the Bandit Boss.

Mercenary Sun Hao traveled to the Northeast during the September 18th period and became a bandit boss in Menghu Mountain. Facing the kid's recruitment, Sun Hao killed him with one shot without even thinking. Then he was given a weapons system. As long as he kills the Japanese, he can obtain various advanced weapons from later generations... Let's see how Sun Hao uses weapons and equipment from later generations to shake the ghosts in Heilongjiang. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.