^^ to give the most honest answer without spoiling anything: neither
if you don't mind spoilers Misha is in love with prince Yuu, who is actually a woman, which... I'm not sure if that makes Misha gay or bi but she's defo not straight. Since I've also not read the novels and only read the manga, which is currently only entering the arc where that becomes relevant, I also don't understand if this is like a trans thing, or an alegory for that, but apparently the current queen of the Bauer kingdom put a curse on Yuu when she was born to make her a boy, though she still becomes a girl every full moon, if I remembered the recent manga chapter correctly