Exactly my thought, verbatim. Also, in many ways it's literally a "magical girl transformation." I mean, this entire story is abundant with magical girl tropes if you look closely. This might invoke the trope and get the princess to join the rank, too.Pretty sure the 18+ you're talking about is just a "magical girl transformation" type of thing, right?
Putting aside the inherent sexism of a patriarchal society (literally patriarchy, lol), IRL the king would have concubines with whom could also produce potential heirs should the legal wife not produce any children. Plus, babymaking is a 2-person affair in first place. So yes it's an unfair demand.Tanya not udnerstanding how not having a heir is problematic just shows how ignorant she is.
The setting is so exageratted that it is just taken as granted that "women are unjustly abused" in that world then at times something like this comes up and shows that everything is a sham...
From what i seen from a person who actually wears a corset (I actually found her videoFrom what I heard in older times people did wear corsets a bit too tight to the point of slowly becoming dangerous just in the name of fashion, though, until Marie Antoinette popularized a type of dress that did not need one.
...but I got the last part from another manga, so who can say for sure.