It was a historical manwha though I'm not sure. But basically the girl mc's twin brother died so she has to disguise herself as him. Simultaneously she falls in love with a tan guy from another country. She learns to fight and at the end they join countries and rule together.she and her brother are blonde as well.
It was a historical manwha though I'm not sure. But basically the girl mc's twin brother died so she has to disguise herself as him. Simultaneously she falls in love with a tan guy from another country. She learns to fight and at the end they join countries and rule together.she and her brother are blonde as well.