Powapowa-P ぽわぽわP Also Known As Siinamota 椎名もた Shiina Mota And Whose Real Name Was Ryo Mizoguchi 溝口遼 Mizoguchi Ryou Was A Composer At The Japanese Music Label GINGA. He Was Born March 9 1995 In The Ishikawa Prefecture And His Blood Type Was AB. He Passed Away On July 23rd 2015. Stage Name For 椎名もた Siinamota .