Miu's sister, Akiko, has finally come home for a vacation! Akiko is full of energy and seems to be having a great time, but is she trying just a little too hard? Will Miu be able to get her to open up about what's really going on?

A deep despair has hit Miu. She's decided to give up not only the recital, but the piano and Takahashi as well. Angered by Miu's decision, Yuuki confronts her. Can she stop Miu from giving up on everything?