Marrying the War Goddess

A modern man time-travels into the body of an unpopular prince, bound to a system that grants exponential rewards. Forced to marry a feared female warrior, he uses the system to gift her powerful items—receiving even greater power in return. Together, they unravel the truth behind her father's murder. Rising above family conspiracies, he helps her overthrow a tyrannical ruler and ascend the throne. As emperor and regent, they join forces to bring peace to the realm.