Aria the Natural - Vocal Song Collection

Track 01: バルカローレ~a cappella~
Track 05: 満月のドルチェ
Track 08: Second Season~希望~
Artist: Eri Kawai

Track 02: Undine ~弾き語り~
Track 03: シンフォニー
Track 06: 雨降花
Track 11: Euforia ~弾き語り~
Artist: Yui Makino

Track 04: Rainbow
Track 09: 夏待ち
Artist: ROUND TABLE feat. Nino

Track 07: 髪とヘアピンと私
Artist: Chiwa Saitou

Track 12: Smile Again
Artist: Erino Hazuki