released on April 25, 2018.
| PIECE [CD] Catalog: UMCE-1005 | 1. | KILLIN’ ME | | 2. | SHINE FOREVER -Japanese ver.- | | 3. | STUCK -Japanese ver.- | | 4. | Ready or Not -Japanese ver.- | | 5. | HERO -Japanese ver.- | | 6. | SPOTLIGHT | | 7. | Aura | | 8. | Beautiful -Japanese ver.- | | 9. | PUZZLE | | 10. | #GFYL | |
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| PIECE(初回限定盤A) [CD] Catalog: UMCE-9009 | 1. | KILLIN’ ME | | 2. | SHINE FOREVER -Japanese ver.- | | 3. | STUCK -Japanese ver.- | | 4. | Ready or Not -Japanese ver.- | | 5. | HERO -Japanese ver.- | | 6. | SPOTLIGHT | | 7. | Aura | | 8. | Beautiful -Japanese ver.- | | 9. | PUZZLE | | 10. | #GFYL | |
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| PIECE(初回限定盤B) [CD] Catalog: UMCE-9010 | 1. | KILLIN’ ME | | 2. | SHINE FOREVER -Japanese ver.- | | 3. | STUCK -Japanese ver.- | | 4. | Ready or Not -Japanese ver.- | | 5. | HERO -Japanese ver.- | | 6. | SPOTLIGHT | | 7. | Aura | | 8. | Beautiful -Japanese ver.- | | 9. | PUZZLE | | 10. | #GFYL | |
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