This reminds me of another monster girl series, specifically in the sense that Reisu isn't just a cute girl with feathers for pants, but an actual fearsome monster and a predator with properly monstrous diet, instincts, morals and common sense. And for the sake of her flock's safety she's...
I actually found her excuse somewhat understandable, if cruel (also I was glad it wasn't another 'banished incompetent' setup).
Veterans often don't fit in the civilian life after becoming stained with bloodshed, (the Crusader's comic from Darkest Dungeon comes to mind especially) and people...
Her fantasies about herself are basically of the submissive kind (hypnotism, dog collars, ropes, train pervs, and defenselessness in general). I mean it goes with her delusion that everyone out there is trying to take advantage of her.
She definitely doesn't belong in the society with her approach of burning everything first and then healing innocent victims. Though she is kind and very easygoing when not in the fighting mode.
That's probably the most convenient way for the author to justify speedrunning the introductions of...
Weird. Why age MC down to 17 years old when elves' ages can go into hundreds in the first place? Could've kept it at 40-something and emphasize that there's still a whole life ahead of her. That would put things into perspective.