Often seen near water, with their long longs carrying the one with the long arms on its back. It's been said that each fish makes the best use of it's unique feature when catching fish.
I was about to make a reference to that. Great minds think alike. I'm sure they're related. They both lift! I bet Rosemary is just the one in charge of exorcisms and is pure at heart, whereas the Sister from the other manga is all business and "absolutions".I think Rosemary long lost sister is from "The Sister with Strength" manga.
They also appear to have fallen victim to the trap of translating "sutairu" as "style" on pages 8, 12, and 14 instead of referring to figure/body shape. That's a classic trap for translators who don't know Japanese well.I think there's a bunch of mistranslations