Heroine 1V1, boys, don't enter if you don't like it. The heroine is a killer in the 21st century and the general who governs the country in this different time and space. The hero is the most unpopular young master. The heroine is cold on the outside and hot on the inside. She is fascinated by the hero and then she protects her shortcomings and dotes on her. It's so sweet.