Head back out to the mound with the music from Princess Nine! Featuring songs composed by Masamichi Amano and performed by the Warsaw Philharmonic Orchestra, this second CD contains the musical themes for several characters, including Hikaru, Shino, and Ryo, not to mention an acoustic version of the Princess Nine ending theme, "Passionate Days", and liner notes featuring off-the-wall stories from series director, Tomomi Mochizuki!
- Baseball Field at Dusk
- The Counteroffensive
- The Singing and Dancing Baseball Player
- The Ultimate Manager
- Tennis Court of Partings
- The Princess Theme, Part 2 From by Franz Schubert's composition Piano Trio E-flat Major Op. 100 From the 2nd Movement
- Challenge (Suspense 1)
- Little Romance
- Pitcher with the Golden Left Arm, Her Name is Ryo Hayakawa!
- The Princess' Tears From by Franz Schubert's composition Piano Trio E-flat Major Op. 100 From the 2nd Movement
- Catch Ball of Sorrow
- Kanako's Theme
- Koshien Theme
- The Battered Pitcher
- Each Girl's Feelings
- The Girl Stratagem (Hikaru's Theme)
- Intensive Training At Dawn
- The Flaming Magic Ball, The Lightning Ball!
- Mother and Daughter (Shino's Theme)
- The Age of Youth [Acoustic] (PASSIONATE DAYS)