"ECSTASY" was released on July 8, 2009 as apart of Kumi's summer triple a-side single '3 SPLASH. "ECSTASY" is described as a dance track with rock influence and the music video features Kumi in various set ups including one where she's rolling around in an unknown white sticky substance. '3 SPLASH' debuted at #2 on the Oricon singles chart and finished at #67 on the Oricon year-end singles chart for 2009.
"Dearest" was released on September 27, 2001 and was the 6th single released from the 'I am...' era. It was used as the 3rd ending theme for the popular anime series 'InuYasha'. The music video features Ayumi running away from her handlers to escape the pressures of celebrity. The single peaked at #1 on the Oricon singles chart and was certified triple platinum by the RIAJ. It finished @ #17 on the Oricon yearly singles chart for 2001.
"Beautiful World" was released on August 29, 2007 as a double a-side along with the track "Kiss & Cry". It was the 3rd single released from the 'HEART STATION' album. The song was used as theme for the first installment of the 'Rebuild of Evangelion' movies. The music video was animated and went along with the 'Rebuild of Evangelion' tie-in. The music video won and for Best Music Video from a film at the 2008 VMA's Japan. The single peaked @ #2 on the Oricon singles chart.