album Pakedio Channel Vol. 1. In 2007, Riyu Kosaka recorded a song for the film Kamen Rider The Next, Platinum Smile. The song is an insert song for the movie with Kosaka providing the singing voice for Erika Mori, who portrays Chiharu Kazami, the younger sister of Shiro Kazami/Kamen Rider V3. In December 2007, Riyu released her sixth single, Kokoro no ato. The song was used as the introduction song in the anime Mokke. In 2008, Riyu released her second studio album, Every Struggle, which was also her debut album on a major record label. The album contained her four most recent singles at the time and 7 new tracks, for a total of 11 tracks overall. Due to the break-up of BeForU in late 2008, Riyu did not produce any solo works for some time. In 2010, Riyu announced the release of her song 'キミが聞こえる' which would be featured on 'あまつみそらに!' as the ending theme and was also released as part of the soundtrack in June 2010. This release, however, was not on avex trax but on 5pb. which may indicate she has switched labels. Kosaka will also be performing at the 'Live5pb.2010' concert. In 2018, she provided vocals on the Dynamite Dynamite Rev -NAOKI SPECIAL ALBUM-. In 2019, she provided vocals for the opening song of the mobile game Seven's Code. In 2021, the song 12 by Naoki and Riyu Kosaka that was in Seven's Code reappears on the game StepManiaX. Discography This is a discography of Kosaka's solo work. For her complete discography, see the BeForU discography. Singles True... (2001) Yamato Nadeshiko (2006) (Yamato Nadeshiko Spirit or Perfect Japanese Woman Spirit) Danzai no Hana: Guilty Sky (2007) (Danzai no Hana or Flower of Conviction, for the anime Claymore) Dober Man (2007) Platinum Smile (2007) Kokoro no ato (2007) (Kokoro no Ato or Traces of heart, for the anime Mokke) Saisho no Melody (2011) (First Melody or Beginning Melody, Ending theme for the PSP Game Hakugin no Karu to Soku no Jo'ou. Albums Begin (2004) Every Struggle (2008) Other CDs Baby's Tears (2006) (as part of the Sky Girls Original Soundtrack) I-revoミュージックICE限定配信曲 (2006) (available for download only from BeForU's i-revo homepage, this digital album is referred to by fans as Little Wings or Startup.) Platinum Smile (2007) as featured on the Kamen Rider the Next original soundtrack) あまつみそらに! Soundtracks (2010) Riyu provides vocals for the ending theme 'キミが聞こえる.'