Outaishihi Padma no Tensei Iryou "Senjou no Tenshi" wa Kyuukoku no Yume wo Miru

Overview

Aisha, a doctor working in a refugee camp, is hit by a bullet and wakes up to find herself as Padma, the crown princess and queen of 400 years ago! Padma was the first female doctor and was called the "Angel of the Battlefield," but in actuality, she was executed in the middle of the war. The key to avoiding execution is to prevent the death of Edward, the crown prince, who is about to become ill in a year... Aisha is determined to use modern medical technology to save Edward, and to save Padma and the future of this country! Aisha is determined to do so, but it seems that there is a secret to his death that was not told in the historical facts...?

Source: AniList