"What a loser with a power level of only 5; my power level is whopping 530,000!"

趙子龍：不真實歷史事件簿 Khester Z Alternative History Files 日本見聞 Iroha｜Eng

In an alternate timeline, humanity built a modern civilization upon the power of martial arts; however, frequent duels among the populace gave the rulers constant headaches—until the arrival of this piece of equipment...