Jewel Box Vol. 1" is the first album of Satoimo, released in VOC@LOID M@STER 20.The album contains 7 original tracks and a remastering of music Angelic Jewel with Kaai Yuki, Hiyama Kiyoteru, Nekomura Iroha and Yuzuki Yukari. A crossfade of the album could be heard here and is purchasable from Satoimo Website.