Sinister Killer: General, Please Stay.

She is the chief killer of the 21st century. In front of others, she is a top student with a beautiful and lovely appearance. She is the goddess of all the boys in the school, but she has an unfathomable background. After all, she is a frightening myth who kills people invisible while talking and laughing. He is a ruthless and iron-blooded God of War general on the battlefield, and the dream lover of millions of women on the Chili Continent. When two equally ruthless people from different time and space come into contact, what kind of sparks will be created? Will they create their own legend again?