Seems like an overkill response for someone being an asshole and trying to arrange a unwanted marriage.
Was she threatening them or something if they didnt do what she wanted?
@Halesy its 2 different mangas of reversed gender roles. The male one is hentai though focusing on mainly sex
Female:
https://mangadex.org/title/20978/the-world-of-moral-reversal
Male:
https://mangadex.org/title/33149/the-world-of-moral-reversal
I'd like this more if it focused less on the BL cuckoldry.
Also there are definitely class systems in society still present in the world today but social mobility is definitely a lot easier