"Sorairo Days" is the third single released by Nakagawa Shoko. The title track was used as the opening theme for the anime Tengen Toppa Gurren Lagann. The B-side "happily ever after" also was used as an insert song of the series. The single reached #3 on the Oricon
charts and charted for 25 weeks, selling 67,453 copies. It is currently
her highest selling single to date. "Sorairo Days" stands for "Sky-Blue
Days".
A Mandarin version of the title track was released as her first digital single and as a teaser for first best album, Shokotan☆BEST――(°∀°) ――!.
- Sorairo Days (空色デイズ)
- happily ever after
- Mitsubachi no Sasayaki (みつばちのささやき; "Whispers of the Honeybee")
- Sorairo Days -Instrumental-