Oriel is made to be a counterpart to Gwen. Aiden and Gwen has synergy.
Shiho made her for that. Aiden has a partner who can feed him ice, Oriel is made for Sable.

IC...... Cynthia....

If Sable does a Natsu, eyes on rivalries.... he would want to crush Aiden, challenge Gwen, Sairis, Nathan.

I noticed Gwen should get the Best Cool Big Sis award. She's definitely a big sis to the cast, mostly on Aiden, Sable, and Xavier.