Firstly, lots of nobility consider wars to be full of glory and honor and are seen as boons.
Secondly, she was nobility and was kicked out. Revenge is a common thought in these circumstances
@Mathiason
They are quite literally harem capture targets. Their actions are tied to the game plot, thus intelligence was not part of their game coding :P
Looks like it. Her phone is displaying the Japanese isles and it looks like a cyclone is smack in the middle of them.
The SFX is probably wind noises and rattling windows.