>>283249802
>>283251508
They are talking about the way they present themselves, since they are hermaphrodites. Remember they had to take identities after escaping the Academy.
>We were the ones that gets decided from the get-go
Being physically male or female, which they'll then be taught makes them either a boy or a girl
>Hermaphrodites
They'd have to genuinely pick between presenting as a boy or a girl because they could go for either. Nonoko is even androgynous as hell.