恋ひ恋ふ縁
Famishin, KOTOKO
Face of Fact
KOTOKO
INTERNET OVERDOSE
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
Shooting Star
KOTOKO
→unfinished→
KOTOKO
Sensitive
KOTOKO
同じ空の下で
KOTOKO
Imaginary affair
KOTOKO
jihad
KOTOKO
being
KOTOKO
LOVE A RIDDLE
KOTOKO
Restoration ～沈黙の空～
KOTOKO
月虹蝶
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
faith～信じる力～
KOTOKO
INTERNET YAMERO
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
夏草の線路 (Railway OP)
KOTOKO
agony
KOTOKO
We Survive
KOTOKO
Restoration ~沈黙の空~
KOTOKO
PLASMIC FIRE
ALTIMA, KOTOKO
Light My Fire
KOTOKO
電波的妄想美少女Q (feat. KOTOKO)
MARON, KOTOKO
One Small Step
KOTOKO
TRUE-BLUE
KOTOKO
Loop-the-Loop
KOTOKO
jihad
KOTOKO
INFINITE SKY
KOTOKO
Song For Eternity
KOTOKO
恋ひ恋ふ縁 (Game Size)
Famishin, KOTOKO
Re-sublimity
KOTOKO
Second Flight
KOTOKO, 佐藤ひろ美
Reboot oN/↓0
KOTOKO
Sign of Suspicion
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
PHANTOM PAIN（feat.KOTOKO & ZYTOKINE）
KOTOKO, ZYTOKINE
WING OF ZERO
KOTOKO
アオナツライン
KOTOKO
real-Reality
KOTOKO
七転八起☆至上主義!
KOTOKO
Restoration(Short Ver.)
KOTOKO
Leaf ticket
KOTOKO
bumpy-Jumpy!
KOTOKO
being
KOTOKO
Sociometry
KOTOKO
恋ひ恋ふ縁
KOTOKO
SWEET×SWEET
KOTOKO
BLAZE
KOTOKO
Shooting star
KOTOKO
恋ひ恋ふ縁 (3R2 Remix)
KOTOKO, 3R2
Double HarmoniZe Shock!!
詩月カオリ, KOTOKO
→unfinished→ -Album ver.-
KOTOKO
TRUE-BLUE
KOTOKO
▲MEW▲△MEW△CAKE
KOTOKO