Akuyaku Reijou wa Mou Zenbu ga Iya ni Natta no de, Kioku Soushitsu no Furi wo suru Koto ni shita

[MangaDex]

 

[woohoo463]

Pretty clear that Evona is some kind of reincarnated heroine that somehow was able to make friends with a duke's daughter despite their differing social standing.