恋ひ恋ふ縁
Famishin, KOTOKO
Face of Fact
KOTOKO
INTERNET OVERDOSE
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
同じ空の下で
KOTOKO
→unfinished→
KOTOKO
Sensitive
KOTOKO
月虹蝶
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
Shooting Star
KOTOKO
Imaginary affair
KOTOKO
jihad
KOTOKO
being
KOTOKO
Restoration ～沈黙の空～
KOTOKO
faith～信じる力～
KOTOKO
INTERNET YAMERO
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
夏草の線路 (Railway OP)
KOTOKO
LOVE A RIDDLE
KOTOKO
agony
KOTOKO
Restoration(Short Ver.)
KOTOKO
Restoration ~沈黙の空~
KOTOKO
電波的妄想美少女Q (feat. KOTOKO)
MARON, KOTOKO
One Small Step
KOTOKO
jihad
KOTOKO
Light My Fire
KOTOKO
Song For Eternity
KOTOKO
PLASMIC FIRE
KOTOKO, ALTIMA
We Survive
KOTOKO
恋ひ恋ふ縁 (Game Size)
Famishin, KOTOKO
INFINITE SKY
KOTOKO
PLASMIC FIRE
ALTIMA, KOTOKO
Second Flight
KOTOKO, 佐藤ひろ美
Re-sublimity
KOTOKO
Reboot oN/↓0
KOTOKO
PHANTOM PAIN（feat.KOTOKO & ZYTOKINE）
KOTOKO, ZYTOKINE
Sign of Suspicion
KOTOKO
Loop-the-Loop
KOTOKO
Orpheus ～君と奏でる明日へのうた～
Lia, 多田葵, 川田まみ, 島みやえい子, KOTOKO, 詩月カオリ, 茶太, Rita, LiSA
桜ひとひら恋もよう
KOTOKO
Presto
KOTOKO
Face of Fact
KOTOKO
WING OF ZERO
KOTOKO
TRUE-BLUE
KOTOKO
real-Reality
KOTOKO
Leaf ticket
KOTOKO
bumpy-Jumpy!
KOTOKO
being
KOTOKO
七転八起☆至上主義!
KOTOKO
アオナツライン
KOTOKO
Suppuration -core-
KOTOKO
BLAZE
KOTOKO
Shooting star
KOTOKO
恋ひ恋ふ縁 (3R2 Remix)
KOTOKO, 3R2
恋ひ恋ふ縁
KOTOKO
原罪のレクイエム
KOTOKO
Double HarmoniZe Shock!!
詩月カオリ, KOTOKO
SWEET×SWEET
KOTOKO
→unfinished→ -Album ver.-
KOTOKO