Mayuki Hiiragi (Cv: Yui Ogura), Chiaki Hagino (Cv: Hisako Tojo)
Mayuki Hiiragi (CV: Yui Ogura), Chiaki Ogino (CV: Hisako Tojo) — Happiness color (instrumental)/しあわせ色 (Instrumental) 04:37
Ogura Yui [Mayuki Hiiragi] & Tojo Hisako [Chiaki Ogino] — Shiawase-iro 04:40
Hiiragi Mayuki(CV:Ogura Yui)/Hagino Chiaki(CV:Toujou Hisako) — Shiawase Iro 01:57
Mayuki Hiiragi (CV: Yui Ogura) / Chiaki Ogino (CV: Hisako Tojo) — しあわせ色 (Instrumental) 04:37
Mayuki Hiiragi (CV: Yui Ogura), Chiaki Ogino (CV: Hisako Tojo) — Happiness color /しあわせ色 04:40
Mayuki Hiiragi (CV: Yui Ogura), Chiaki Hagino (CV: Hisako Tojo) — Shiawase Iro 04:40
Ogura Yui [Mayuki Hiiragi] & Tojo Hisako [Chiaki Ogino] — Shiawase-iro (Instrumental) 04:37