10 until their sixth single, "My Will", made it to number 6 at the end of 2000. "My will" was the song that gave Dream newfound fame as it was the first ending theme to the popular anime Inuyasha. The group's next single peaked at number 36. On February 28, 2001, Dream released their debut album, Dear.... The album reached number 5 on the Oricon charts. Also on November 28, 2001, Dream released "Get Over", the first opening theme to the anime Hikaru no Go. It reached number 12 on the Oricon charts. On February 14, 2002, dream released their second album, Process, which reached number 8 on the charts. Following the release of Process, Matsumuro, who wrote most of the group's lyrics, announced that she was to leave in pursuit of a solo career. Dream then released their final single as a 3-member group, "Sincerely: Ever Dream". On June 26, 2002, Dream released their final release as a three-member group and their first best album, Eternal Dream. On July 7, 2002, Matsumuro left Dream. 8-member Dream Following Matsumuro's departure, Avex held more auditions for a replacement, and ended up with six new girls. They were Risa Ai, Erie Abe, Aya Takamoto, Ami Nakashima, Shizuka Nishida, and Sayaka Yamamoto. The new eight-girl group "re-debuted" in 2003 with the single "Music is My Thing". In February 2003, the group released their third album, Dream World. The album reached number 23 on the Oricon charts. Following Dream World, Dream's popularity once again peaked. They participated in the first a-nation summer concert festival held by Avex. They appeared on popular singer Ayumi Hamasaki's TV show, Ayuready. Subsequently, dream's next single, "I Love Dream World", became their first single to chart within the Oricon top 10 since "My Will" in 2000. In 2004, following the release of Dream's fourth album ID, Ai left Dream to pursue a solo career, bringing the group's member count down to seven. 7-member Dream/DRM From 2004–2005, Dream released the singles "Pure", "Love Generation", and "Soyokaze no Shirabe / Story". They also released two mini albums, Natsuiro and Boy meets Girl. In addition, Dream released a best album (777: Best of Dreams), an Avex cover album (Dream Meets Best Hits Avex), and a self cover album (777: Another Side Story). After a long period without much activity, Dream released 7th Anniversary Best (a best of album featuring songs from the