Yoshitsugu Matsuoka, Takuya Eguchi, Nobunaga Shimazaki, Koki Uchiyama
Natsuki Hashiba (Nijiiro Days) — Emotion 04:08
Natsuki Hashiba (Nijiiro Days) — Rainbow Days! (TV Size) 01:32
Yoshitsugu Matsuoka, Takuya Eguchi, Nobunaga Shimazaki, Koki Uchiyama — Rainbow Days! 03:33
Natsuki Hashiba (Yoshitsugu Matsuoka), Tomoya Matsunaga (Takuya Eguchi), Keiichi Katakura (Nobunaga Shimazaki), Tsuyoshi Naoe (Koki Uchiyama) — ハレルヤ!Shinin'Days (Радужные дни | Nijiiro Day TV ED) 04:21
Радужные деньки — ендинг 03:33
Natsuki Hashiba (Yoshitsugu Matsuoka), Tomoya Matsunaga (Takuya Eguchi), Keiichi Katakura (Nobunaga Shimazaki), Tsuyoshi Naoe (Koki Uchiyama) — Halleluja! Shinin’ Days/ハレルヤ!Shinin'Days 04:21
Natsuki Hashiba (Yoshitsugu Matsuoka), Tomoya Matsunaga (Takuya Eguchi), Keiichi Katakura (Nobunaga Shimazaki), Tsuyoshi Naoe (Koki Uchiyama) — With you 03:17
Natsuki Hashiba (Nijiiro Days) — Rainbow Days! (Karaoke) 03:33
羽柴夏樹(CV:松岡禎丞)・松永智也(CV:江口拓也) — Emotion カラオケ [Niji-iro Days OST][AnimeNewMusic] 04:06
Natsuki Hashiba (CV. Yoshitsugu Matsuoka), Tomoya Matsunaga (CV. Takuya Eguchi), Keiichi Katakura (CV. Nobunaga Shimazaki), Tsuyoshi Naoya (CV. Kouki Uchiyama) — Rainbow Days! 03:33
Yoshitsugu Matsuoka, Takuya Eguchi, Nobunaga Shimazaki, Koki Uchiyama — Emotion カラオケ 04:06
Yoshitsugu Matsuoka, Takuya Eguchi, Nobunaga Shimazaki, Koki Uchiyama — Rainbow Days! TVサイズ 01:32
Shimazaki Nobunaga & Matsuoka Yoshitsugu & Uchiyama Kouki & Eguchi Takuya (TV-version) — Rainbow Days! (Nijiiro Days / Радужные Дни) 01:29
Yoshitsugu Matsuoka, Takuya Eguchi, Nobunaga Shimazaki, Koki Uchiyama — Rainbow Days! カラオケ 03:33
Natsuki Hashiba (Yoshitsugu Matsuoka), Tomoya Matsunaga (Takuya Eguchi), Keiichi Katakura (Nobunaga Shimazaki), Tsuyoshi Naoe (Koki Uchiyama) — Halleluja! Shinin’ Days(karaoke)/ハレルヤ!Shinin'Days (カラオケ) 04:21