Les covers ont été dévoilées.
Type
A
<CD+DVD>TKCA-73693 1,890円(税込)
<CD>
1. Heart of Gold
2. Ray
<DVD>
1. Heart of Gold MUSIC CLIP
2. Heart of Gold Making Film
Type
B
<CD+DVD>TKCA-73694 1,890円(税込)
<CD>
1. Heart of Gold
2. Ray
<DVD>
Heart of Gold MULTI ANGLE Ver.
Regular
<CD>TKCA-73698 1,260円(税込)
<CD>
1. Heart of Gold
2. Ray
3. Haikara Naru Rondo (another version)
Maxcaz