I Traveled Through Another World and Started with a Herrscher Core.

This is a story about three Honkai players who obtained the core of the Herrscher of Reason and were forced to become a mysterious businessman of the Demon King's army. Brave: Your USP45 looks really good. Can you sell it? Demon King: This Shizhou Village is really powerful, can you give it to me? King: This SU-22 howitzer is so easy to use, give me one! Wu Xu: Get lost, I won't sell it unless you add more money!