A second anime season project, consisting of an adaptation of a prequel light novel and a sequel series, ran between March 2017 and January 2018.
Another light novel written by Akashiro, Kusunoki Mebuki wa Yuusha de Aru, began serialization in Dengeki G's Magazine on June 30, 2017. It takes place after the anime's first season and before Hero Chapter, and follows a different team of Heroes.
Another light novel series, titled Nogi Wakaba wa Yuusha de Aru (Nogi Wakaba is a Hero), written by Aoi Akashiro and illustrated by Bunbun, began serialization in Dengeki G's Magazine on July 30, 2015. Nogi Wakaba takes place 300 years before the anime's time frame during the first Vertex attack on the world. It follows Sonoko Nogi's ancestor, Wakaba Nogi as its protagonist and the first Shikoku hero team consisting of her, Hinata Uesato, Yuna Takashima, Chikage Kori, Tamako Doi and Anzu Iyojima.
A prequel light novel titled Washio Sumi wa Yuusha de Aru( Washio Sumi is a Hero), written by Takahiro and illustrated by Bunbun, was serialized in ASCII Media Works' Dengeki G's Magazine between April 30, 2014 and November 29, 2014. The novel takes place two years before the anime's time frame, and follows the previous Hero team before Yuna's.
Yuki Yuna Is a Hero is a Japanese magical girl anime television series created by Takahiro, produced by Studio Gokumi and directed by Seiji Kishi as part of a media project called Takahiro IV Project.