As Hinako struggles to talk with others on her first day of school, Chiaki's friends put together a theater society to replace the on-hiatus club, with Chiaki inviting Hinako and Kuina to join. This attracts the attention of their classmate, Yua Nakajima, who becomes envious of how close Hinako is to Chiaki and joins the society too. Wanting to prove her superiority, Yua keeps stepping in whenever Hinako is asked to do something, which Hinako interprets as an act of kindness...