Although I certainly didn't expect that incest subtext in Dahlia and Violet's relationship.
"incest subtext"?, isn't that just a reference to Maria-sama ga Miteru and it's "soeur system"?
Does anybody know if any type of "soeur system" ever existed in reality? I've read a little bit on the private Catholic girls' school system in Japan (which itself is kind of a trip), but it wasn't a very deep dive.
The "petite soeur" trope certain has been a boon to the yuri genre, anyway, leading to much chin-tilting, blushing, and whispering in ears.