It will be used as the OP theme song for the upcoming TV anime Washio Sumi wa Yusha de Aru/Yuki Yuna is a Hero: Washio Sumi Chapter, in which she also voices the protagonist girl Sumi Washio.
Washio Sumi Chapter is its prequel story set two years earlier.
The first TV anime Yuki Yuna is a Hero, animated by Studio Gokumi, was aired for 12 episodes from October to December 2014.