Class A are assigned a project, to compose a new song with a partner, however, there is a twist; the idol group have to write the lyrics and the songwriter group have to write the music! Haruka is partnered with Otoya Ittoki. Her teacher Ringo Tsukimiya asks her to play the piano for the class, but freezes up due to her nervousness. With encouragement from Ittoki, she is encouraged to move on, and their song ends up being a success.