Pretty sure a bunch of this is translated wrong. For example, on page 6, it should probably say you're instead of I'm. On page 11, it should probably say my instead of his, as well as he and his instead of she and her.
Some overly uptight and strict commander wants to suddenly come to a fort in the far north filled with rejects and nonconformists, and he's known for being driven and ambitious.
This fort also is known to the higher ups to be frequented by a young snow spirit, spirits are important to the country and the royal family. I don't trust this new guy already.