Board Thread:Questions and Answers/@comment-36945421-20181201224006/@comment-66.111.55.119-20190228081336

Aice is simply an stubborn girl that can't accept being inferior to anyone.

Her rivalry with Asuna start when she took care of unconscious kirito for a long time while Asuna was not there, then Asuna came and claim she can take care of Kirito better than her while Alice was being overprotective.