The story of a new transfer student interested in her surroundings and a song that brings happiness to her and her classmates.

While on a midnight stroll, a girl named Ai picks up an egg. A voice coaxes her: "If you want to change the future, you only need to choose now. Now, believe in yourself and break the egg." What awaits Ai after the breaking of the egg?

Houtarou is usually quite apathetic, however when his sister forces him to join the Classic Literature Club at Kamiyama High School, his worldview begins to change. Once there, he discovers some information regarding an incident surrounding one of the members' uncle. Together with Eru Chitanda, an always-curious girl, this unassertive boy delves deeper into this mystery.

Anime