Ye Gucheng was running a shopping service in Japan when he accidentally stumbled into an underground nuclear weapons depot belonging to a Soviet-era country. By mistake, he set off a nuclear bomb, triggering nine interconnected nuclear arsenals. Japan was wiped off the map.
After dying, he was chosen and bound by the Shopping System, then transmigrated to the Tang dynasty.
After being betrayed by a woman, assassinated, and rescued by a mother and daughter, he got his face-slapping revenge and used the Shopping System to destroy Japan once again.
He helped Li Shimin unite the Blue Star, married a princess, and was enfeoffed as a prince.
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