TM Network
Asakura went off on a solo project in 2004 titled "Quantum Mechanics Rainbow", in which he released multiple CDs for a year, and each CD title referenced both a color and math property. The project featured multiple live performances and subsequent DVD releases. In 2006–2007, Asakura produced two singles for new J-pop idol Kimeru, hit the road with TM Network for 2007's TMN Tribute tour and created new songs for the newest version of the popular dance-step game, "Dance Dance Revolution". In November 2007, access released a memory/discography book, alongside highly coveted access plushies, to commemorate their 15th anniversary. In 2012, access celebrated their 20th anniversary. In 2008, Asakura started a new solo project entitled "DA Metaverse ~100 Songs for 1000 Days," in which he would release 100 new songs over the course of 1000 days exclusively through iTunes. The project was launched on June 25, 2008. In 2009 he composed and produced the soundtrack for the anime adaptation of Chrome Shelled Regios. Also in 2009, Asakura composed and arranged the soundtrack for a musical rendition of Goodbye Charlie in which Hiroyuki Takami played one of the lead roles.