Horrendous stance. You don't have your fucking offhand out front with a one-handed sword, it's just a target. If your opponent has a cutting weapon like a saber, you keep your offhand behind your back or on your hip, out of the way. If they have a thrusting weapon like an arming sword or a...
First she says she's a peasant girl. Then she shows she's absolutely not a peasant girl and outright reveals that she's much older than she looks. This is a mess. Also, why is she fighting for the empire? Seems to me they're a generic expansionist nation, hardly good-guys. They're not heroes...
You seem to be forgetting that a man broke into their house, stripped them, tied them up and tried to rape them, so yes, they are indeed victims. Also, do not forget that this is a shitty pseudo-hentai and their behavior is not consistent with how actual people react to this kind of trauma.
I...
Japs talk a lot about honor and respect while having no understanding of what those things really mean. There's a word for this specific type of self-righteousness but I can't remember. Moralism combined with ignorance. It's easy to be calm and forgiving when the knife is in somebody else's back.