日期2010
韩国形成
活动类型：母|集团
活跃的风格流行音乐
风格的舞蹈流行（流行舞曲）
1PS is a four-member South Korean girl group formed in 2014 by fellow band Supernova's agency Maroo Entertainment. 1PS is an abbreviation for "One Piece Score" which highlights the group’s unity when making songs; the four members of the group become "one piece" to make a musical "score". The name is pronounced as simply one piece, and should not to be confused with the manga of the same name. The band consists of the members Yena, Yoonseo, Jieun and Saeha