Why does this feel like they're somewhere deep in the rural south, and why am I just now realizing a hyper religious small town AU would be absolutely incredible for these two.
Though the more I think about it the more I realize I literally already have read that, and it was also a fire emblem yuri fic.
So really I just want that again but with these two instead.
There is a protagonist of the largely-generic designated hero male variety, though the show is aware of this and plays with the trope quite cleverly. But yes, the bulk of the show's emotional quotient and symbolism revolves around Akane and Rikka. To say anything more would be a massive spoiler, though, so you'll have to watch the show yourself (which I recommend, it's excellent).
We need more girls in naval outfits and admiral hats. 75% of the planet is water, so why are only 0.03% of girls in fiction sailors? It's a glaring injustice.
There should be a yuri version of Among Us, where the impostor is a yandere girl, but instead of killing crewmates she does extremely lewd things (hand-holding, cheek-kissing etc.) to them.