恋ひ恋ふ縁
Famishin, KOTOKO
INTERNET YAMERO
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
agony
KOTOKO
同じ空の下で
KOTOKO
Re-sublimity
KOTOKO
INTERNET OVERDOSE
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
Face of Fact
KOTOKO
Sensitive
KOTOKO
月虹蝶
NEEDY GIRL OVERDOSE, KOTOKO, Aiobahn +81
→unfinished→
KOTOKO
Imaginary affair
KOTOKO
We Survive
KOTOKO
夏草の線路 (Railway OP)
KOTOKO
jihad
KOTOKO
faith～信じる力～
KOTOKO
WING OF ZERO
KOTOKO
Double HarmoniZe Shock!!
詩月カオリ, KOTOKO
PHANTOM PAIN（feat.KOTOKO & ZYTOKINE）
KOTOKO, ZYTOKINE
Presto
KOTOKO
電波的妄想美少女Q (feat. KOTOKO)
MARON, KOTOKO
Reboot oN/↓0
KOTOKO
TRUE-BLUE
KOTOKO
恋ひ恋ふ縁 (Game Size)
Famishin, 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
Restoration ～沈黙の空～
KOTOKO
jihad
KOTOKO
さくらんぼキッス～爆発だも～ん～
KOTOKO
triangle
KOTOKO
Shooting Star
KOTOKO
PLASMIC FIRE
ALTIMA, KOTOKO