Millimos Saga: Battei Ouji no Tensei Senki follows a reincarnated office worker navigating war and magic as the youngest prince of a small kingdom. The fantasy series explores kingdom management and tactical combat, with Chapter 3 covering the protagonist's early development of unique skills. Read the full series details at Isekai Wiki Millimos Saga: Battei Ouji no Tensei Senki - Isekai Wiki