This manga should have the villainess tag. True, it's not the classical villainess but I think we can consider the heroine as being a villainess since she is an assassin, it involves romance and intrigue among nobles.
I wish we got to see the Prince's fate too.
As for why she can clean: she probably did it in secret in her home too (if her parents knew, she would have been punished. And since her parents are definitely doing shady things, they must dislike bright open air (psychological: if you have things...
Question to the translators: do you plan to translate the other anthologies? The holy Maiden anthology was already translated by Art Lapsa but the quality is poor and chapters after 19 are locked behind paywall.
The fragment was gotten during the quest with the mansion and the ghost mage. It was after she was changed into healer. It was found in a chest and since her party didn't see its worth, MC took it as a reward. IIRC she didn't know the saintess class existed and when she inspected the fragment...
If I am guessing, destroying dungeon is bad, it hurts the world (maybe the classic: "dungeons are seals of a demon king." or "dungeon is what produce magic").
But even if that's the case, the anticult is really dumb. Instead of trying to recruit innocent puppet, they just kill them. If they were...
For everyone asking how the factories worked if she was the only ones with the recipes: a common method in the past was that the components where produced in mass but the ratio and the addition of some ingredients was done only by the chief. It was especially effective when they were dealing...