E:U (이유)

• Real name: Park Jiwon (박지원)
• Birthday: April 19, 1998
• Blood Type: O
• Stage name meaning: 'Especially for U', a special reason that exists for you
• Leader
• Representative color: Purple
• Crank in Film
• Voice Letter
• Handwritten fan attracting profile

Sihyeon (시현)

• Real name: Kim Sihyeon (김시현)
• Birthday: August 5, 1999
• Blood Type: B
• Was a participant of Produce 101 (final rank: 40) and
• Was a participant of Produce 48 (final rank: 27)
• Representative color: Green
• Crank in Film
• Voice Letter
• Handwritten fan attracting profile

Mia (미아)

• Real name: Han Eunji (한은지)
• Birthday: January 13, 2000
• Blood Type: A
• Stage name meaning: A beautiful child
• Representative color: Red
• Crank in Film
• Voice Letter
• Handwritten fan attracting profile

Onda (온다)

• Real name: Jo Serim (조세림)
• Birthday: May 18, 2000
• Blood Type: B
• Stage name meaning: She will make you fall into her world
• Was a participant of Idol School (final rank: 40)
• Representative color: Pink
• Crank in Film
• Voice Letter
• Handwritten fan attracting profile

Aisha (아샤)

• Real name: Heo Yoorim (허유림)
• Birthday: July 21, 2000
• Blood Type: B
• Stage name meaning: To become an artist who gives live to the world
• Her name is a combination of latin name Aisha + Asia, so it reads as 'Asha' instead of Aisha.
• Representative color: Black
• Crank in Film
• Voice Letter
• Handwritten fan attracting profile

Yiren (이런)

• Real name: Wang Yiren (王怡人/왕이런)
• Birthday: December 29, 2000
• Blood Type: AB
• Was a participant of Produce 48 (final rank: 28)
• Representative color: White
• Crank in Film
• Voice Letter
• Handwritten fan attracting profile