Side Story One: Eustachius's Incognito Operation Downtown 
The head priest wants more information on Myne, and so he sends two of his aides, Eckhart and Justus, to investigate her. 
 
Side Story Two: Visiting Missus Corinna 
Effa and Tuuli find themselves having to accompany Myne to Corinna's residence, because she wants to take a look at the outfit Myne wore for her baptism. 
 
Note: This two-part OVA was bundled with <a href="https://anilist.co/manga/113869">Part 5</a> Volume 1 of the LN. The OVA consist of two side stories, the first adapts a chapter from Part 3 Volume 2 of the LN, and the second adapts a chapter from Part 1 Volume 3 of the LN. Both side stories chronologically happen at the end of Part 1 of the LN.