Alderamin on the Sky: Season 1, Episode 2

1 - 2: An Unwanted Medal of Honor

Ikta succeeds in a daring plan to cross the Kioka border and return the princess home. But this means he gets a reward, and his reward is the title of Imperial Knight. Now he finds himself dragged into a war he hates, serving a government that doesn't want to win, and despising the princess he rescued.