プロジェクトセカイ prsk_FA プロセカ pjsekai prsk pjsk Hatsune_Miku:_Colorful_Stage! プロセカ衣装デザイン pjsk_FA prsk_NL prsk_GL prsk_BL 腐ロセカ
A mobile rhythm game featuring the Piapro family and other original characters. Developed by Colorful Palette.
It has two commissioned theme songs for its launch, Sekai and Wah Wah World.
About two songs are commissioned each month from known Vocaloid producers.