Iris, a minor villain in the game, traveled through time and space, and after being killed countless times by the protagonists, she chose to cultivate a protagonist. She used everything she had to cultivate a protagonist. If, even in this situation, death was inevitable, she didn't care. Seeing the protagonists who had killed her countless times, crying and begging for her life, was there anything more satisfying than that? Being suspected, doubted, and considered a villain didn't matter. In the end, they would realize that everything Iris did was for them, without reservation. Until Iris's final rebirth... something changed.

[Business War] [History] [Conquest] [Finance] [Stock Market] [Futures] Traveling back to the German city of Lübeck in 1370, but not being a science student, there is no way to bring steam engines and industrialization, so let's use the way of liberal arts students to build a Federal Reserve for fun. Hanseatic League, guilds, clubs, "The Three-Body Problem" novels, exchanges, futures contracts, stocks, paper money, Napoleon's artillery tactics... This is the protagonist's gift to the ancients. The ultimate goal of this book is to establish the Federal Reserve, and the goal of establishing paper money credit is the goal of the whole book. Every plot is a business war and making money. There are a lot of business war cases in the book, which require readers to understand.