Ottilie

Ottilie (オティーリエ Otiirie) is one of Rozemyne's new assigned attendants in the castle. She works alongside Rihyarda.

Rozemyne states that she looks around the same age as Elvira.

Ottilie is good friends with Elvira, which is part of the reason why she was entrusted with Rozemyne's care.

When Rozemyne returns from the Royal Academy for the Dedication Ritual Ottilie expresses concerns over her son Hartmut being likely to overstep boundaries in his attempts to further the legend of the Saint of Ehrenfest. She encourages Rozemyne to not hesitate to stop him, should he take things too far.

Spoiler from Part 4 Volume 3 When given the opportunity to learn Rozemyne's mana compression method Ottilie declined.