大谷雅恵 (Otani Masae) is a Japanese pop singer. She is a former idol under Hello! Project as a member of Melon Kinenbi. After Melon Kinenbi disbanded in 2010, Otani started as a solo singer under the name Otani Masae aka Himawari, a name she chose after announcing a competition on her blog for a new stage name. Her last release under this name is the 2013 single BOY'S. In addition to her activities as a solo artist, she was also a member of the Korean pop cover group 4C Crew under the name MELODY from 2016 to 2017. She also worked as an instr…