Crystal Ideas Album: 読書時間をゆったり心地よく: Magic On The Page - Bamboo ForestArtist: Milky Swing Listen and download
Crystal Ideas Album: The Best Reading Background Music ~ Effective Self ImprovementArtist: OZAWA Listen and download
Whispering Patter Of Ideas Album: Concentration-Enhancing BGM While Feeling The RainArtist: Crystal Fantasy Listen and download