- The Domestic Fucker Family
- The Domestic Fucker Family (English)
- The Fatal Believer
- THE FINAL prod. by Yoshinori Abe
- THE FINAL (Unplugged Ver.)
- THE IIID EMPIRE prod. by Tatsuya Sakamoto
- The Inferno prod. by Kei Kashiyama
- The Perfume of Sins
- The Pledge
- Ugly
- Umbrella
- undecided
- Un Deux prod. by Kei Kashiyama
- Unknown.Despair.Lost
- Unraveling
- Unraveling (Unplugged Ver.)
- Values of Madness prod. by Dynamite Tommy
- Vanitas
- VINUSHKA
- ゆらめき (Yurameki) prod. by Toru Yamazaki & YOSHIKI