three and has certificated Gold in Japan. In support of the album, Aiuchi embarked on her first concert tour, Rina Aiuchi Club Circuit 2001 "Be Happy". In March 2001, Kakiuchi earned a Japan Gold Disc Award for New Artist of the Year. In April 2001, "Faith" was released as the lead single from the second album. To promote the song, Kakiuchi appeared on several television music shows like CDTV. The song achieved a moderate success, reaching number eight on the Oricon chart. Kakiuchi's second album Power of Words was released in May 2002. The album has spawned three top-five singles: "Forever You ~Eien ni Kimi to~", "I Can't Stop My Love for You", and "Navy Blue" was released as the third single from the album in October 2001. The J-pop ballad song succeeded commercially, peaking at number two in Japan and has sold over 127,000 copies in Japan. As of November 2020, "Navy Blue" has remained Kakiuchi's the best-selling song. Power of Words achieved a massive success in Japan, topping on the Oricon chart and certificated Platinum by RIAJ. The album has been her best-selling album as of September 2018, with the sales of over 419,000 copies. From 16 June 2002, Kakiuchi embarked on the concert tour, entitled Rina Aiuchi Live Tour 2002 "Power of Words" in support of the album. 2003–2004: A.I.R. and Playgirl The album The double A-side single, "Sincerely Yours"/"Can You Feel the Power of Words?" was released in August 2002. The former served as the lead single from Aiuchi's third album, while the latter being the sixth single from her second album Power of Words. The single has sold approximately 82,000 copies in Japan and been certificated Gold by RIAJ, peaking at number four on the Oricon chart. Aiuchi released the first remix album Rina Aiuchi Remixes Cool City Production Vol.5 in July 2003. The album was a commercial success, selling over 70,000 copies and reaching number four on the Oricon chart. Aiuchi's third studio album, AIR was released on 15 October 2003, simultaneously with the sixth single from the album, "Kūki". The album became Aiuchi's second number-one hit in Japan and has certificated Gold by RIAJ. A.I.R. has spawned five top three singles: "Deep Freeze" was released in November 2002, as the second single from the album. The follow-up single, "Kaze no nai Umi de Dakishimete" served as the theme song to the Japanese drama