Alchemy+

Alchemy+, created on 2001, was initially a duo which members were:
HI☆YO (also known as Haraguchi Tomomi) lyricist, vocalist and composer
Inada Masahiro (also known as mazzy) composer and bassist.

On September of 2011 HI☆YO left the unit and Alchemy+ continued as a Inada Masahiro solo project.