Ep. 4: Kaori and Kousei face the second round preliminaries with intense musical collaboration
Aired on October 31, 2014

On the day of the second round of the preliminaries, Kaori and Kousei wait in the venue hallway. Seeing Kousei nervous, Kaori head-butts him and says, "I know you can do it." Their musical journey begins with Kaori playing the violin with her whole body. Kousei plays precisely to keep pace, but as he focuses, the notes disappear and he can no longer hear the piano. His accompaniment spins out of control, and he abruptly stops. Kaori also stops playing. Smiling, she whispers to him, "Again..."
Episodes
- Ep. 1 · Kousei Arima encounters violinist Kaori Miyazono on a double date after losing his ability to play piano
- Ep. 2 · Kaori performs the Kreutzer Sonata while Kousei observes as Friend A
- Ep. 3 · Kousei Arima plays piano for Kaori Miyazono at a café after school
- Ep. 4 · Kaori and Kousei face the second round preliminaries with intense musical collaboration
- Ep. 5 · Kousei visits hospitalized Kaori and faces her request to enter a piano competition
- Ep. 6 · Kousei confronts his past while Kaori pushes him toward a competition and Tsubaki feels isolated.
- Ep. 7 · Kousei prepares for the competition while Kaori offers encouragement and rivals await.
- Ep. 8 · Takeshi performs with thunderous applause while Emi finds renewed motivation through Kousei and Kaori.