Lieseleta

Lieseleta (リーゼレータ, Riizereeta) is an mednoble and the younger sister of Angelica.

Spoiler for Part 4 Volume 2 Due to Lady Rozemyne managing to get Angelica to successfully graduate her years at the academy, Lieseleta is very thankful and loyal to Rozemyne. A noble failing to graduate the Royal Academy would be a great mark of shame upon the entire family that Angelica's master spared them from. It is also this act that made Lieseleta utterly convinced of Rozemyne's abilities. She once mused "you guided my sister to graduation, so nothing is beyond your abilities."

Spoiler for Part 4 Volume 2 Lieseleta is very fond of Schwartz and Weiss and eagerly throws herself into her studies to make sure she finishes her courses for the year early so that nothing can get in the way of her participating in Lady Rozemyne measuring the two shumils for their new clothing. Rozemyne suspects that this is at least partially due to her missing the pet shumils she has back home.