1PS (원피스, short for 1Piece-Score) is a three-member South Korean girl group under Maroo Entertainment. They debuted with the single "The First Score" on March 3, 2014. The group disbanded in 2015.
- Yena (예나) - leader, vocals
- Yoonseo (윤서) - main vocals
- Saeha (지은) - lead vocals
- Jieun (새하) - vocals
- "The First Score" (2014)
- "Only Love OST Part.1" (2014)
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