Madou Koukaku ~Yami no Tsuki Megami wa Doukoku de Utau~

The Melkia Empire, one of the five great powers ruling the central continent, faces relentless assaults from the Yun Gasol Alliance in its eastern territories. When a legendary field marshal falls in battle, the enraged emperor mobilizes reinforcements. As Weisheit, a capable military commander, you must lead troops to defend your homeland while navigating political intrigue, building fortifications, and making difficult decisions that will shape the empire's destiny.