Set in a world where feelings such as joy, sadness, and anger have an unseen influence on reality, the story follows the fateful meeting of Hiori Hirahara, an outgoing girl who always reaches out to people in need, and Ruka Hanari, a socially awkward girl who doesn't know how to get along well with other people. Will their feelings change themselves and the world around them?

(Source: Crunchyroll)