Riyu Kosaka - Danzai no Hana Guilty Sky (full version)

(4:25)

HONEY PUNCH ~ RIYU KOSAKA (full song version + full lyrics)

(3:42)

Love ♥ Shine Full Version - Riyu Kosaka

(3:18)

RIYU KOSAKA - LOVE LOVE SHINE (HQ)

(1:38)

CANDY♥ Full Version - Riyu Kosaka

(3:13)

Riyu Kosaka - Dober Man [HD]

(5:25)

RIYU KOSAKA - CANDY ♥ (HQ)

(1:36)

Riyu Kosaka - Yamato Nadeshiko

(4:27)

Riyu Kosaka-Begin(full version)

(4:19)

【歌ってみた】マシュマロ・ブリランテ【小坂りゆ】#shorts 新曲 #小坂りゆ #本人 #riyukosaka #birthday #歌ってみた #2025

(1:36)

ライラック／Mrs. GREEN APPLE（covered by 小坂りゆ）

(4:51)

【歌ってみた】晩餐歌／tuki.（covered by 小坂りゆ）

(3:42)

小坂りゆ「マシュマロ・ブリランテ」Music Video / Riyu Kosaka − Marshmallow Brillante

(3:39)

[DVD] Riyu Kosaka - First Live at O-East 2005 [2005]

(1:15:28)

[DVD] Riyu Kosaka - Riyu's Summer Vacation 2007 [2007]

(1:38:39)

true... (Full Version) / (Riyu Kosaka)小坂りゆ

(4:32)

RIYU KOSAKA - HONEY ♂ PUNCH (HQ)

(1:46)

小泉今日子　なんてったってアイドル

(1:22)

SIMONE SIMONS - Cradle to the Grave ft. Alissa White-Gluz (OFFICIAL MUSIC VIDEO)

(3:32)

倖田來未-GEMCEREY CM Teaser-

(31)

Riyu Kosaka - m.o.n.s.t.e.r

(4:)

Baby's Tears -Sky Girls Opening Theme- (Full version) - Riyu Kosaka

(4:6)

Riyu Kosaka - Platinum Smile ( 仮面ライダー THE NEXT )

(5:38)