Agree with you, I think she is jealous and angry at the princess (〜 ̄△ ̄)〜 Because she is a princess too but she's ignored and badly treated by everyone including the king ╮( ̄▽ ̄)╭ but honestly I don't give a f**ck because I don't like her crybaby ヽ(`Д´)ノ
I don’t really feel bad for heroine but that was pretty sad to watch @-@