Anastasia, a countess who was mistreated by her family and died an unfortunate death. However, she was supposed to be dead, but she has returned to her girlhood. This time she wants to live happily ever after! In order to grasp her freedom, she uses her knowledge of the future to confront the corrupt aristocratic society. With the mysterious merchant Kai and a group of mercenaries with a sad past as her allies, her activities develop into a major incident that changes the country. A reversal of fortune for a young lady who refuses to give up begins!