…and then it took 6 years to design anything more about them.
(Collectively, the sepals of a flower form the calyx, but I promise that part is just a coincidence, not a deep dark long-planned connection.)
They basically always come as a set, referred to as plural “they.” But in case you need to refer to either one individually: they’re both nonbinary, so each one is also a singular “they.”
Rowan: Did you get everything? Or did the snow ruin any of your shots?
Archie: I’ll have to talk with the editors — but I hope we can keep it in!
Rowan: I guess it’s authentic Central.
Archie: Plus, it makes things feel more romantic, you know?
Rowan: Y-you think?
Archie: Oh! There’s my security for dinner — I need to introduce you!
Sepal: So . . . you’re Archie’s “friend from the net,” huh.
Petal: His friend who won’t be any trouble.