Kosaka Riyu

 (小坂りゆ) is a solo singer and former first generation member of BeForU. Some of her solo works are included in the benami based music simulation games. She had the most solo works out of any of the other BeForU members, and is thought of as the most successful BeForU member as a soloist.

In 2018, she provided vocals on the Dynamite Dynamite Rev -NAOKI SPECIAL ALBUM-. In 2019 and 2020, she provided some of the vocals for songs in the mobile game Seven's Code.

Profile

 * Favorite Artists: Brittany Spears, BoA, Perfume
 * Favorite Movies: Lord of the Rings, My Brother Sam is dead, Pearl Harbor

Albums

 * 1) [2004.06.11] begin
 * 2) [2008.02.27] every struggle

Singles

 * 1) [2001.10.27] true...
 * 2) [2006.10.18] Yamato Nadeshiko Damashi (大和撫子魂)
 * 3) [2007.05.16] Danzai no Hana ~Guilty Sky~ (断罪の花 〜Guilty Sky〜)
 * 4) [2007.07.11] Dober Man
 * 5) [2007.10.24] Platinum Smile
 * 6) [2007.12.12] Kokoro no ato (ココロの跡)
 * 7) [2011.10.26] Saisho no Melody (最初のMELODY)

Video Releases

 * [2005.05.20] RIYU KOSAKA FIRST LIVE at O-EAST 2005
 * [2007.11.11] Riyu's Vacation 2007
 * [2007.12.29] Kosaka Riyu Making Shashinshu DVD
 * [2008.10.05] Four Piece / Live 2008 (BeForU / Riyu Kosaka)

Other

 * [2006.08.10] i-revo Music ICE Gentei Haishin Kyoku
 * [2006.10.18] Kosaka Riyu & Noria SPECIAL CD-BOX

Compilations/Other

 * [2001.11.21] DDRMAX DanceDanceRevolution 6thMIX (Disc 01/ #4 & Disc 02/Track 17: True... (Radio Edit), Disc 01/Track 34: True... (Trance Sunrise Mix), Disc 01/Track 40: true... (Full Version).)
 * [2002.05.16] V-RARE SOUND TRACK 1 (Track 06: Firefly -RIYU VERSION-.)
 * [2002.06.19] DDRMAX2 DanceDanceRevolution 7thMIX (Disc 01/Track 14 & Disco 02/Track 39: DIVE TO THE NIGHT, Disc 01/Track 17 & Disc 02/Track 07: CANDY♥.)
 * [2003.02.27] V-RARE SOUND TRACK 4 (Track 05: CANDY (☆live a little style☆), remixed by NAOKI MAEDA.)
 * [2003.02.05] pop'n music 9 AC ♥ CS pop'n music 7 (Disc 01/Track 27: ☆shining☆ with Noria.)
 * [2003.03.19] GUITARFREAKS & drummania BEST TRACKS (Disc 01/Track 04: begin.)
 * [2003.03.26] DanceDanceRevolution EXTREME (Disc 01/Track 05 & Disc 02/Track 27: LOVE♥SHINE.)
 * [2003.04.24] V-RARE SOUND TRACK 5 (Track 07: glacial (radio edit).)
 * [2003.09.18] beatmaniaIIDX 9th style Original Soundtrack (Disc 01/Track 29: LOVE♥SHINE.)
 * [2003.12.17] GUITARFREAKS 10thMIX & drummania 9thMIX Soundtracks (Disc 01/Track 02: Himawari.)
 * [2004.05.19] beatmaniaIIDX 10th style Original Soundtrack (Disc 01/Track 22: SHOOTING STAR.)
 * [2004.06.23] GUITARFREAKS 11thMIX & drummania 10thMIX (Disc 01/Track 15: ☆shining☆ (GF&dm style) with Noria.)
 * [2005.03.24] V-RARE SOUNDTRACK 10 (Track 02: LOVE♥SHINE (Tropical mix), remixed by Mr.T.)
 * [2005.11.28] Pakedio Channel Vol.1 (Track 02: Little Wings)
 * [2005.10.19] beatmaniaIIDX12 HAPPY SKY ORIGINAL SOUNDTRACK (Disc 02/Track 04: Himawari.)
 * [2005.12.22] Pakedio Channel Vol.2 (Track 06: Lum no Love Song)
 * [2006.01.12] Pakedio Channel Vol.3
 * [2006.08.25] Sky Girls ~Opening Theme "Baby's Tears / Kosaka Riyu" & Original Soundtrack~
 * [2006.10.27] pop'n music 14 FEVER! AC ♥ CS pop'n music 12 Iroha & 13 Carnival (Disc 03/Track 27: HONEY♂PUNCH,)
 * [2007.01.25] DanceDanceRevolution SuperNOVA ORIGINAL SOUNDTRACK (Disc 01/Track 08 & Disc 02/Track 24: HONEY♂PUNCH, Disc 01/Track 12 & Disc 02/Track 31: Baby's Tears)
 * [2007.03.08] GUITARFREAKS V3 & DRUMMANIA V3 SOUNDTRACKS (Disc 01/Track 16: Yamato Nadeshiko Damashi.)
 * [2010.06.30] Amatsu Misora ni! Soundtrack (Track 03: Kimi ga Kiroeru, Track 36: Kimi ga Kiroeru (Short Ver.).)
 * [2018.06.02] Dynamite Dynamite Rev. -NAOKI SPECIAL ALBUM- (Track #5: Tori no Uta (鳥の詩)
 * [2020.08.13] TEARED (Track 01: TEARED feat.小坂りゆ)
 * [2020.10.25] BLUE & RED (Track 03 TEARED feat.小坂りゆ -NewMix-)

Albums

 * BeForU
 * BeForU II
 * BeForU III ~Breaking into the Probability Changes~
 * Shangrila

Singles

 * KI・SE・KI
 * Red Rocket Rising
 * Get set GO!! ~BeForU astronauts set~
 * Strike Party!!!
 * Yohanabi
 * SHANGRI・LA

DVDs

 * BeForU First Live at Zepp Tokyo 2006
 * Going Happy! ~BeForU Major Debut Kinen~
 * BeForU LIVE 2007 ZEPP TOKYO
 * Four Piece / Live 2008 (BeForU / Riyu Kosaka)

BeForU

 * Chikara (LIVE BAND style) (Lyrics)
 * DIVE (Lyrics)
 * Himawari (Lyrics)
 * LOVE SHINE (Lyrics)
 * BRE∀K DOWN! (LIVE BAND style) (Lyrics)
 * ☆shining☆|☆shining☆ (LIVE BAND style) (Lyrics)
 * SHOOTING STAR (Lyrics)
 * True...(2003 album version) (Lyrics)
 * GRADUATION～Sorezore no Ashita～ (unplugged version) (Lyrics)
 * KI・SE・KI (Lyrics)
 * Scenario (Album Version) (Lyrics)
 * Freedom (Album Version) (Lyrics)
 * KI・SE・KI(album version) (Lyrics)
 * Morning Glory (Lyrics)
 * BLACK OUT～I want to be・・・!! (album version) (Lyrics)
 * HONEY♂PUNCH (Lyrics)
 * PEACE(^^)v (Lyrics)
 * DIVE2006 (Lyrics)
 * HAPPY HAPPY BIRTHDAY (Lyrics)
 * Kagerou (Lyrics)
 * Boku no Naka ni Aru Boku janai Boku Dake no Boku to Boku (Lyrics)
 * Red Rocket Rising (Lyrics)
 * Get set GO!! (Lyrics)
 * Sakura Mau Toki. (Lyrics)
 * Strike Party!!! (Lyrics)
 * Izayoi (Lyrics)
 * Kyou to Ashita to Shikakui Sora (Lyrics)
 * SUPER HIGHWAY (Lyrics)
 * Kimi to Sora to Zutto (Lyrics)
 * Ijiwaru na Ai (Lyrics)
 * Originality (Lyrics)
 * Perfect Warriors (Lyrics)
 * Determination (Lyrics)

Kosaka Riyu

 * DIVE TO THE NIGHT (Lyrics)
 * Yamato Nadeshiko Damashi (Lyrics)

Other

 * Wish me luck!!!! (Lyrics) (Harukana Receive Ending Theme)
 * the Judgement Day (Lyrics) (SEVENS CODE Final Chapter OP Theme) (Lyrics)

Photobooks

 * [2008.02.28] Riyu

Filmography

 * [2007] Kamen Rider The Next (voice only)
 * [2008] Axion

Plays

 * [2015] [Persona 3 the weird Masquerade ~Soen Kessho~] (as Elizabeth)