"528Hz CD Book for Sound Sleep" Akiko Kobayashi / Seimo Yamaguchi / Shunji Kotaki Price: ¥1300 + tax - The CD has been used multiple times. It has been stored in the book case since then. - The book has been read only once and is almost new. - It calms the mind and soothes the mood. Stored at home. Thank you for your understanding. ☆ In light of recent return fraud issues, returns and refunds are not accepted. Thank you for your understanding. ☆ The shipping method may be changed from Rakuraku Mercari Delivery to Yu-Yu Mercari Delivery just before shipping. Thank you for your understanding. #AkikoKobayashi #Akiko_Kobayashi #SeimoYamaguchi #Seimo_Yamaguchi #ShunjiKotaki #Shunji_Kotaki #book #Lifestyle/Housework #SleepQuality #Sleep #CD #SleepSoundly"