(Japanese: 結城友奈は勇者である, Hepburn: Yūki Yūna wa Yūsha de Aru) The story takes place on the Japanese island Shikoku in the fictional city of Sanshu, based on the real-life city of Kan'onji in Kagawa Prefecture, in the 300th year of the Era of the Gods (神世紀, Shinseiki). Yūna, Mimori, Fū, and Itsuki are all members of the Sanshu Middle School Hero Club (讃州中学勇者部, Sanshū Chūgaku Yūsha-bu), dedicating themselves to helping those in need.
