Isn't it all a bit much though? I mean tsundere characters are usually only that way towards the singular target of their affections. She loves the prince, but she is still going full tsundere for that girl as well.
It was mentioned earlier that she also really liked Finne because of how cute (?) she was. I think it's safe to assume that she likes everyone (platonically), but is too much of a tsun to express it.