Group name: The Ark (디 아크)
Meaning: The Ark is named after the French heroine Joan of Arc
Label: Music K entertainment
Debut year: 2015
Debut song: The light


Stage name: Minju (민주)
Real name: Jeon Minju (전민주)
Nickname: Little BoA, Cocomong, Mine Me
Birth date: September 08, 1994
Birthplace: Seoul, South Korea
Position: Leader, Lead vocal
Blood type: AB
Education: Hanlim Arts High School
Charming Point: Smile, cute hands, feet, height
Speciality: song writing

- She was a Top 8 finalist in Kpop Star Season 2 and part of the group created by the show "YouU". They were eliminated in Round 2. 
- After Kpop Star, she signed with Key East entertainment but now under Music K Entertainment.

Birth Name: Kim Yuna
Birthday: October 27, 1994
Height: 161cm
Weight: 50kg
Blood Type: O
Position: Rapper
Nationality: New York, US
School: North Rockland High School, New York
Speciality: Rap-making, Speak to English

- Former YG Trainee
- She passed the first round of JYP auditions
- Superstar K Season 3 Contestant
- She has auditioned for JYP Global Audition 2009, JYP Global Audition 2011, Superstar K3, MBC Star Audition, and SBS’ Kpop Star Audition
- 1st digital single “Without you now” 

Name: Jung Yoo Jin
Birthday: September 06, 1996
Position: Main Vocal
Nationality: Incheon, South Korea
School: Yongin High School

Name: Halla
Birthday: March 20, 1998
Blood Type: AB
Position: Visual
Religion: Christian 
Nationality: Daegu, South Korea
School: Hanlim Arts High School
Speciality: Acting

- Appeared in Hong Jin Young ‘Chreer Up’ MV

Stage name: Jane
Full name: Cheon Jaein
Nickname: Cheon Parrot, Genius, Outcast saver
Birthday: November 23, 1999
Birthplace: Seoul, Korea
Position: Maknae
Nationality: Seoul, South Korea
School: Hanlim Arts High School

- She participated at MNet The Voice Kids 2013.

Their debut song: