Eleanor, the princess, has a second life!

Eleanor Skye Eta, Princess of the Kingdom of Eta, was born to a life that was fixed from birth. The only thing she enjoyed was reading school memoirs of an unknown author. On the eve of her political wedding, she was led down a dark path by Kiran, a wild weasel she loved.

And was led to a modern Japanese high school...

By a princess full of "hajimete"! Reverse trip to another world x unpredictable youth school story!