Ep. 15: Tsubaki struggles with her feelings as Kousei plans to leave home for music school
Aired on January 30, 2015

Tsubaki experiences confusion upon learning that Kousei intends to leave home to attend a high school with a music course. Those around her, particularly Kashiwagi, recognize that Kousei has evolved beyond the "kid brother" image she previously held. This shift in perception is evident to others as well, including Saito-senpai, who is Tsubaki's boyfriend. The situation highlights a significant change in how Kousei is viewed by his peers and family, causing internal conflict for Tsubaki as she processes these new dynamics and her own emotional response to his departure and maturation.
Episodes
- Ep. 11 · Kousei's performance concludes as Hiroko Seto comments on the emotional depth of his piano playing.
- Ep. 12 · Kaori Invites Kousei to Play Kreisler's Love's Sorrow at the Towa Music Competition
- Ep. 13 · Kousei performs Kreisler's Love's Sorrow alone at the gala concert without Kaori
- Ep. 14 · Kousei and friends visit hospitalized Kaori while Tsubaki struggles with changing feelings
- Ep. 15 · Tsubaki struggles with her feelings as Kousei plans to leave home for music school
- Ep. 16 · Kousei teaches Nagi while Kaori unexpectedly returns to appoint him as Watari's substitute.
- Ep. 17 · Kousei struggles to visit Kaori while Nagi shares her school experiences
- Ep. 18 · Kousei and Nagi perform at the Kurumigaoka Junior High culture festival
- Ep. 19 · Kaori Chooses Surgery to Perform With Kousei After Hearing Their Duet