Minako Kotobuki
In 2009, Music Ray'n formed the music unit Sphere, which consists of Tomatsu, Aki Toyosaki, Minako Kotobuki and Ayahi Takagaki. Her fourth single was released on May 13, 2009; the title track is used as the ending to the anime series "Shinkyoku Sōkai Polyphonica S". This was followed by her fifth single "Girls, Be Ambitious", which was released on February 8, 2010; the title track is used as the ending theme to the anime series "Sound of the Sky". She released her first solo album "Rainbow Road" on February 24, 2010; the album peaked at No. 15 on the Oricon weekly charts and charted for four weeks. She then released her sixth single on August 16, 2010. Her seventh single "Baby Baby Love", used as the ending theme to the 2010 anime television series "Motto To Love-Ru", was released on November 3, 2010.