NOGI WAKABA IS A HERO

The story of Nogi Wakaba wa Yuusha de Aru takes place 300 years in the past, in 2018, the first days of the Divine Era. The six main characters form the first ever Hero Team: Nogi Wakaba, Nogi Sonoko's ancestor; Uesato Hinata, Takashima Yuna, Koori Chikage, Doi Tamako and Iyojima Anzu. — Description from AniList community (anilist.co).