吸血鬼骑士之公主归来 (Associated Names)

Yuuki? My sister, you are the princess of Shu. So, who am I? I'm not a princess, I'm just an avenger from the dark, on a snowy night, Shu chose you, then, I'll come back for revenge! Jiu Lanshu, my brother, I will take away and destroy your precious things one by one! This is…