MC transmigrated and reborn, having seen the future that she will not succeeded the dukedom, decided to run away after her brother being born in 6 years.
MCs family was known as the duke of war where every heir will serve the royalty with their life. The heir will always be the first child. MC being the firstborn, divinated that she didn't had any powers and cannot succeed the title, without the heir the kingdom plunged into war. So MC decided to run away.
But after being reborned she acquired God's magic, can instantly heal wounds. She also confirmed her younger bro Glen will be the heir
I Will Go and Disappear Obediently