The Submerged Dragon

During the late martial era, Tang Ning, heir of Jingguo, is framed by the treacherous Qin Hui and sentenced to death. Unexpectedly, he is transported to the modern world and discovers a cross-dimensional shopping app. Using it, he buys supplies to end a famine, averts his execution, and summons armored machines and Gatling guns to defeat invading forces. Qin Hui continues to scheme with political machinations, but Tang Ning counters each plot, ultimately defeating his enemies and winning the affection of two beauties while securing the empire.