[KOTOKO] I can't get over your best smile

[KOTOKO] LOVE A RIDDLE

おねがい☆ティーチャー - I can't get over your best smile

[MELL] 砂の風

I can't get over your best smile - KOTOKO Live In BUDOKAN 2010

[AKI] Sweet ～恋しくて～

【I've Sound】Just as time is running out / KOTOKO

[宮崎麻芽] satirize

Kotoko- I can't get over your best smile

[KOTOKO] resolution of soul

Kotoko - Oblivion ( Audio )

千恋＊万花 主題歌「恋ひ恋ふ縁」／KOTOKO【Full】【日中歌詞翻譯】

KOTOKO 『Face of Fact』 　Full

KOTOKO - Collective

Snow Angel ~ KOTOKO

unsymmetry (I've sound KOTOKO)

[KOTOKO TO AKI] 夏草の線路

05:天壌を翔る者たち／Love Planet Five（Audio）

KOTOKO - Sledgehammer Romance

[Engsub + Kara] Second Flight - Kotoko [Onegai Twins Opening]

新神奇傳說III~Farland Symphony~ - Wing My Way - KOTOKO