Digital Shades (Mellow Sonic & Katozuka)
Hidden Portals (Mellow Sonic & Katozuka)
Paranatural (Mellow Sonic & Katozuka)
Remember Me (Mellow Sonic & Katozuka)
Shapeshifter (Mellow Sonic & Katozuka)
Through Time and Space (Mellow Sonic & Katozuka)
Dreamlike Journey (Mellow Sonic feat. Katozuka)
Eternity (Mellow Sonic feat. Katozuka)
Inseparable Love (Mellow Sonic feat. Katozuka)
Loneliness (Mellow Sonic feat. Katozuka)