Coba jelasin Diskografi dari Kotoko dong

"Oboetete ii yo/DuDiDuWa*lalala" (11 Agustus 2004)

"radiance/Chi ni Kaeru ~on the earth~" (23 Februari 2005)

"421 -a will-" (13 Oktober 2005)

"Kirei na Senritsu" (7 Maret 2007)

"Hayate no Gotoku!" (23 Mei 2007)

"Shichiten Hakki Shijou Shugi!" (17 Oktober 2007)

"Real Onigokko" (19 Desember 2007)

"LOVE A RIDDLE/I can't get over your best smile" (5 Desember 2001)

"Shooting Star" (26 Januari 2002)

"Second Flight" (24 Juli 2003)

"Face of Fact -RESOLUTION ver.-" (1 Maret 2006)

Glass no Kaze (8 Juni 2005)

Sora wo Tobetara... (29 Desember 2000)

Hane Live Tour 2004 Limited Edition Album

Out Flow (5 September 2003)

Album lain dari I've Sound

Dear Feeling (29 Desember 2000)

diRTY GiFT (29 Desember 2002)

I've Remix Style Mixed Up (29 Desember 2004)

I've MANIA Tracks Vol.1 (29 Desember 2007)

恋愛CHU！ -Remix- (dengan Kaori Utatsuki)

You're my treasure (dengan AKI and RIMIKKA)

Omoide wa Kaze no Naka de

新しい恋のかたち -SHORT CIRCUIT II EDIT-

Double HarmoniZe Shock!! (dengan Kaori Utatsuki)

Change my Style ～あなた好みの私に～ (コスって! My Honey)

Close to me… (effect ～悪魔の仔～)

Cream+Mint (ショコラ ～maid cafe "curio"～)

Crossed Destiny -Original Arrange- (OnlyYou リ・クルス extra disc)

Crossed Destiny -FISH中坪 Arrange- (OnlyYou リ・クルス extra disc)

Do You Feel Loved? (オレ様ティーチャー ～復讐教師のWebカウンセリング～)

Face of Fact (BALDR FORCE -バルドフォース-)

Face of Fact -Remix- (BALDR FORCE -バルドフォース-)

Feel in tears (Heart of Hearts)

Fusion Star -Remix- (あねいも 2nd Stage)

HALLUCINO -Remix- (夢幻の迷宮 Platinum Edition SO)

Heart of Hearts (Heart of Hearts)

I need magic ～解けないマジ☆キュン♪～ (カラフルウィッシュ ～12コのマジキュン！～)

I pray to stop my cry (凌辱看護婦学院)

I-DOLL ～song for eternity～ (I-DOLL ～アイドル～)

Just as time is running out (ぎりギリLOVE)

Leaf ticket (パルフェ ～ショコラ second brew～)

Now and heaven -KOTOKO ver.- (淫らな罪 ～悦楽の終日～)

philosophy -Proto Type Ver.- (I've MANIA Tracks Vol.1)

Princess Brave! (Princess Brave 雀卓の騎士)

resolution of soul (D+VINE [LUV])

Symphony ～星たちの詩～ (KOTOKO LIVE 2006 IN YOKOHAMA ARENA)

Time heals all sorrows (Care ～癒すべき不治の狂気～)

Time rolls on... (Deep Fantasy)

Undying Love -Remix- (ALMA SOUND TRACK ～ずっと聴いて♪～)

wind of memory ～記憶の風～ (巫女舞 ～ただ一つの願い～)

Wing my Way -Album Mix- (disintegration)

涙の誓い (とらいあんぐるハート3 ～Sweet Songs Forever～)

涙の誓い -the divine pledge of tears- (Mixed up)

決断の entrance (PRISM ARK らぶ2マキシマム)

SAVE YOUR HEART -Album Mix- (LAMENT)

See You ～小さな永遠～ (とらいあんぐるハート3 ～Sweet Songs Forever～)

See You ～小さな永遠～ P.V ver. (I've P.V Collection Vol.3)

You're my treasure (SPOT LIGHT ～欲望と羨望の狭間～)

空より近い夢 Second Track (Dear Feeling)

Bright wings (とらいあんぐるハート's Sound Stage 5)

inside of a wilderness (とらいあんぐるハート ～Sweet Song Forever～)

inside of a wilderness (Midnight Calling ver) (Starry Crystal Fiasse Crystela COMPILATION ALBUM)

My Gentle Days (とらいあんぐるハート's Sound Stage X)

My Gentle Days (Rhythmic ver) (Starry Crystal Fiasse Crystela COMPILATION ALBUM)

Sweet Songs ever dengan you (とらいあんぐるハート ～Sweet Song Forever～)

ちいさなぼくのうた ～Wings version～ (とらいあんぐるハート's Sound Stage 2)

Lima karya berikut dirilis dengan nama Outer:

L.A.M -laze and meditation- (懲らしめ ～狂育的指導～)

leave me hell alone (DEVOTE2 ～いけない放課後～)

『prime prototype』 (29 Desember 2000, pada C59) pada: prime (Video Promosi) / prime, (Making of)

『I've P.V Collection vol.1』 (29 Desember 2001, pada C61) pada: L.A.M -laze and meditation- (Video Promosi) / repeat (Video Promosi, dan juga dengan MELL on stage)

『I've P.V Collection vol.2』 (29 Desember 2002, pada C63) pada: 疾風雲 hayategumo (Video Promosi) / 疾風雲 hayategumo, (Making of)

『I've P.V Collection vol.3』 (5 September 2003, dengan I've Special Unit) pada: See You ～小さな永遠～ (chiisana eien) -P.V Mix- (Video Promosi) / See You ～小さな永遠～ (chiisana eien) -P.V Mix-, (Making of) / AIBU WOOZU (アイブ ウォーズ)