Yuuki Starline

Yuuki Starline (ユーキ スターリン, Yuuki Sutaarin), known as the Wave Princess (ワブ プリンセス, Wabu Purinsesu) and Holy Knight-sama (ホリー クニサマ, Horii Kuni-sama); being the second princess of the Kingdom as well as the second-eldest daughter of the former empress, Alyia and Jordan Brooks. She is the elder sister to Ava Starline and the rest of her siblings, while being the younger sister to her elder sister who happens to be the first princess and thus the Crown Princess of the Realm.