Western Fantasy: I Am a Lord in a Different World

Due to an accident, a student from a certain university was reincarnated into the magical continent of Hetznova. As the second son of the Earl of Lorraine, he received a territory from his father at the age of 21 and set out to manage the territory. Surrounded by beauties, he reformed the system, built a stronger army, farmed, and took various adventures and contended for hegemony... This is how his career as a lord began. Magical world + reincarnation + imaginary + Western magic.