released on August 12, 2014.
| Koganemushi (Regular Edition) [CD] Catalog: PCCA-70411 | 1. | Koganemushi (黄金虫) | 3:27 | 2. | Taiyou no Summer Summer Days (太陽のサマサマデイズ) | 3:40 | 3. | Koganemushi (Instrumental) (黄金虫 (Instrumental)) | 3:27 | 4. | Taiyou no Summer Summer Days (Instrumental) (太陽のサマサマデイズ (Instrumental)) | 3:37 |
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| Koganemushi (Type A) [CD+DVD] Catalog: PCCA-4073 | 1. | Koganemushi (黄金虫) | 3:27 | 2. | Taiyou no Summer Summer Days (太陽のサマサマデイズ) | 3:40 | 3. | Idoling!!! - SHA KA LA KA PARTY | 3:45 | 4. | Koganemushi -Music Video- (黄金虫 -Music Video-) | | 5. | Koganemushi -MV Dancing ver.- (黄金虫 -MV Dancing ver.-) | | 6. | Koganemushi Making (黄金虫のメイキング) | |
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| Koganemushi (Type B) [CD+Bluray] Catalog: PCCA-4074 | 4. | Koganemushi -Music Video- (黄金虫 -Music Video-) | | 5. | Koganemushi -MV Dancing ver.- (黄金虫 -MV Dancing ver.-) | | 6. | Koganemushi Making (黄金虫のメイキング) | | 7. | Omake no Koganemushi (おまけの黄金蟲) | | 1. | Koganemushi (黄金虫) | 3:27 | 2. | Taiyou no Summer Summer Days (太陽のサマサマデイズ) | 3:40 | 3. | Idoling!!! - Yokubari Ponpadour (よくばりポンパドール) | 4:21 |
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