Nirra was once a renowned gunsmith in a modern world. But her life takes a dramatic turn when she finds herself reborn as the daughter of a humble blacksmith in a medieval-like fantasy realm. With the help of her twin sister, Ellie, they embark on a new life together in this unfamiliar world.

Nirra's passion for firearms remains undiminished, and she decides to become an adventurer, driven by the desire to explore this enchanting yet perilous world. Her goal is clear: to create innovative firearms that span centuries of development, starting from the rudimentary weapons of the 16th century and advancing to the cutting-edge technology of the 21st century.

"A Tale of Steel and Gunpowder" is an exhilarating story that combines the thrill of firearm innovation and the excitement of fantasy adventure, as Nirra crafts her way through history and faces the challenges of her era-spanning journey. In a world dominated by magic swords and fantasy. This is bringing a gun to an isekai fight.