"Proud Carter, it's all thanks to you my life has been ruined!" Rita, a lady of a noble, became a bar waitress with limited lifespan because of him. There are many days when she wants revenge, but doesn't have a blade to hold on to.

One day, A foreign shaman suggested to Rita, "I will exchange your old body for a new one.", with the shaman's magic, Rita, the Countess's daughter, was able to be reborn as Bertha Alberthart.