Her Royal Highness Seems to Be Angry, Volume 4

A thousand years have passed, and she finds herself reincarnated into someone else's body. Realizing the person she's now living as is despised by her own family and even her fianéc, the former princess struggles to understand this new world and the events that have transpired since her death. There's a lot to be upset about, but first on the list: how in the world did future magic turn out so lame?