Sister Mayo

Masayo Sawada , better known by her stagename Sister MAYO, is a Japanese singer. She is a member of the Columbia Music Entertainment duo Cyber Nation Network, and a vocalist in Project.R which performs many theme songs for the Super Sentai series, some have reached the top ten in Oricon's charts. Her best-known songs as a soloist have been the opening theme of Haré+Guu and the ending theme of Mahou Sentai Magiranger. She is the younger sister of heavy metal musician Taiji, with whom she was in the rock band Otokaze.