War Princess

Zils was the famous navy General known as the "Azure Beauty" of Arethea Kingdom. Said as one of the best, she suffered unexpected loss in the showdown with General Vrag of Slothia Kingdom.
Vrag is known as the best infrantry General with a reputation of a demon. Zils miscalculated his tactics on the sea an suffered lost on her fleet. Captured alive, she found herself thrown in the chamber of the General instead of the prison.
Taken prisoner by Vrag, he seems to have bigger plan ahead using her. Who can guess that he knows the biggest secret about her origin?