Metal Thunder OST "Circle of Life" with Crimson-FANG – Kamen Rider Kiva: King of the Castle in the Demon World theme song "Yumemiru.." – K-tai Investigator 7 third ending theme References External links Nanase Aikawa Official Site Nanase Aikawa Official Site (at record label) 1975 births Avex Group artists Japanese women pop singers Japanese women rock singers Living people Musicians from Osaka 20th-century Japanese women singers 20th-century Japanese singers 21st-century Japanese women singers 21st-century Japanese singers