Her Highness seems to be angry (volume 1-5 is the latest issue)

Publisher: Overlap
Author: Four leaf cats, Hatsutsuhashi, Nagi White
Size: 128mm x 182mm
Number of books: 5
Language: Japanese
Category: Girl manga, manga
Latest publication date: 2022-10-24

Synopsis:
If the strongest princess reincarnated thousands of years later--
Are you angry with the decline in magic!?

A princess Letschiel in a frontier, the strongest magician.
Living in the war, she lost many people and his family and loved ones due to the invasion of enemy countries, and refused their lives themselves, but woke up in a strange place.
It's a thousand years after Letschiel lives and died.
She was reincarnated as another human in that era.
As an incompetent daughter Drossel, who is not only families but also for fiancee.
"Why are I alive? I couldn't protect my family, people, and loved ones ...!?"
And to get more information, I witnessed the magic after a thousand years later at the school where Drossel went, and I was appalled by the low level ...!?!?