/jp/ - Otaku Culture

Because she has an infinitely beautiful design. She is a very good final boss and her last card was very hype. All of her themes are brilliant. She is a ghost princess, that's pretty much as good as it gets. Maybe all that combined with the fact that she's very smart but carefree.
She is refereed as the "Ghost of Flawless Immaculate Beauty", and well deserved of that title.
She really is one of the most beautiful beings in existence. Every part of her form is an embodiment of perfection, I can't stress this enough.