ブロッサムスパイス is Ie no Ura de Manbou ga ShinderuP's second album, the previous being Manbou ga Miteta Yume. It consists of 11 songs, in which one of them is a secret track. It was first distributed at THE VOC@LOID MASTER 15. In the tenth track of the album, the singer is said to be uramanbou.
It is purchasable in iTunes store