The Yandere that lives in the white castle? Yugioh card stories.  

A white princess living in a white castle who loves seeing people suffer fell in love with a random knight. Lets explore the lore of the Labyrinth. Disclaimer: The content in this video is for entertainment and informational purposes only. All opinions expressed are my own and do not represent any other parties. Any copyrighted material used in this video is done so under the fair use policy for purposes such as criticism, comment, news reporting, teaching, scholarship, or research.