The Journey of a Useless Officer and a Border Guarding Princess to Dominate

[Territory], [War], [Love], [Single Female Protagonist] "Be mine!" The third princess of the empire, Keyar, reached out to Lei Luo. Lei Luo can neither ride a horse nor do swordsmanship. He is a real useless soldier who only likes reading. After being sent to the frontier as a scapegoat, he met the girl who changed his life - the princess who was also sent to the frontier. Although Keyar was on the frontier, the lofty ideals in his heart had not faded at all. She hopes that Lei Luo will be her military advisor to assist her in her dominance!