The title track has already been picked as the CM song for Eisai's "Chocola BB", and one of its coupling tracks "Hold Your Hand" was also used as the theme song for NHK drama "Silent Poor".
In addition to a limited edition, the single will come in a complete production edition called 'Okkii Hako no Naka Shiyou', for which you can check out the cover arts below.
[Complete Production Edition]
Additionally, one of the tracks in the single, "Hold Your Hand", is now available on iTunes Store world wide starting today on June 11.
Source & Image(s): natalie