Seven Realms, Broken Vows

Seven Realms, Broken Vows follows a young person who wakes up inside the body of the heir to a military household, arriving just as the emperor moves to take away the family's army. The same moment also brings the collapse of a marriage engagement that had been arranged for the heir. Faced with losing both power and a future, the newcomer must find a way to turn the situation around before the household is left with nothing.