She is a little princess with the blood of the royal families of two countries, she is the eldest lady of a centuries-old family, she is a little witch who roams the world, and she is a lonely duckweed floating in this world.
I must kill him because he killed all my relatives, but if I kill him, I will have no relatives left...
It doesn't matter, you can kill whoever you want, because I will always be by your side and will always be your relative.
Faced with national hatred and family feud, and unforgettable emotions, how do you fall in love and kill the shadow that is most like you?