Since then, time has moved forward. All of us have matured a little. But despite the fact that we are all flying in different directions in order to fully stretch our wings, we are still soaring beneath the same sky. That is easily understood after carefully listening to each of our singing voices.

Continuation and side stories of Sayonara Piano Sonata, it consist of 5 stories: "sonate pour deux" — narrated by Naomi If There's No Name on the Wing — third person narrative on a guest performer for feketerigó Stereophonic Love — third person narrative on Yuri The Final Interview — narrated by Naomi / Kyouko Nobody Sleeps Tonight — narrated by Tetsurou

"Sonate pour deux" and Nobody Sleeps Tonight gives closure to the entire SPS series, several years after their high school days.