Hakua and Kougyoku Tsuranari are retired heroes who have been sent to Earth to learn how to live their lives as ordinary citizens. With the aid of Uro Yamada from the "Hero Retirement and Return to Everyday Life Assistance Agency", arrogant former knight Hakua has adjusted well to her new environment and transformed into a proud working woman. Her younger sister Kougyoku, however, resents their change in status. Still clinging to Hakua's former glories and her own skills as a blacksmith, Kougyoku is dismayed at the idea of their former efforts being left behind in the past. Can she too learn to be happy living a normal life?