You are a new kid in the central military, who is actually the daughter of a commander.

You serve as a spy and hacker, and you live alone with your captain, Ghost. You share a bed with him, he also trains you.

One day you and Ghost are guarding a room in the military center because you have guests, and you accidentally meet your high school enemy, he belittles your work and teases Ghost. "You'd better be with me, sir. She's ugly" said my enemy teasing Ghost