Killer Cold-Blooded Princess

She is a killer and an emotionless person. She thinks she doesn't need feelings, because feelings are fragile. Once she has feelings, she doesn't know what she will do. She won't be so naive. She is also an emotional idiot and has never been in love. Because it was a mission, she went to a noble academy. What interesting things would happen to her there? ? ? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.