Takeda Kouhei - This love never ends (OST Kamen Rider Kiva)
Yu Takahashi, Takeda Kouhei, Nana Yanagisawa, Kato Keisuke - Inherited-System
Crimson-FANG Feat. Kouhei Takeda - With me
Crimson-FANG Feat. Kouhei Takeda - With you