User blog comment:Ari@n/yukino's sister/@comment-3285005-20121019084851/@comment-108.245.232.156-20130815052510

They were apart for like I'm guessing 14-17 years, and Yukino said her sister was all nice and stuff. Angel was working in the tower and so her personality could be warped since she had no one. and Plus you can't tell by age about someone in manga and anime.

Plus look at the character designs and how they look, They're the same