Lone Wolf in the War of Resistance: from 1942

[Anti-Japanese War + System + Lone Wolf + Cool Articles] Absolutely a lone wolf, not joining any organization Not a soldier, not a killer, an ordinary social animal who came to 1942 in the factory explosion. "Where is this! Is this still in China?" "Of course, please kill a Japs to activate the system." With a national curse and a stone, Li Xia killed his first Japanese as a welcome ceremony. From then on, a god of murder appeared on the land of China. [Ordinary people's guide to time travel—the first three chapters are slow, and the fourth chapter starts killing pigs]