The Immortal Eldora of the Demon King’s Army was ridiculed as “the weakest of the Four Heavenly Knights.” After being defeated by a Hero and reaching her limit, she decides to quit and lead a Slow Life.
As she excitedly thought, “Now, it’s my fresh start!”, she’s visited by the same Hero that defeated her. After hearing that she was exiled from her country, they were then forced to live together.
These two who were originally enemies will live together and develop a bond with one another. It’s a slice-of-life story with such a theme. Also, they get married.