Minami Maho is the sister of Minami Ryusuke. She is the first person that saw the beautiful voice of Tanaka Yukio.
Despite the bad start of things when Koyuki and Maho meet each other, later they fall in love.
Maho is a singer, but she doesn't sing in a group, she has a solo "career". She doesn't dream of becoming a famous singer, although her talant.
Maho has a lot of famous friends, one of them is the main rival of Koyuki for her heart.