Carmen Nationality: Indonesia Height: 168cm Age: 21 (Born in 2006) Features: Same age as Jiwoo, Indonesian, vocal line. Personality: Bright, kind, and very sociable. A member with a warm and positive aura. Nicknames: Carmen-ping, Rmen-ca

Choi Jiwoo Nationality: South Korea Height: 169cm Age: 21 (Born in 2006) Features: Always has short hair, leader of Hearts2Hearts, rap line, same age as Carmen. Personality: Responsible and takes good care of the members. A calm yet playful and reliable leader. Sometimes gets teased mercilessly by the members. Nicknames: Jju, Jju-jebi

Yoo Haram (Stage Name: Yuha) Nationality: South Korea Height: 164cm Age: 20 (Born in 2007) Features: Vocal line, same age as Dahyun. Personality: Cool and confident. Very playful and has great chemistry with the members.

Kim Dahyun (Stage Name: Stella) Nationality: Canadian-Korean Height: 167cm Age: 20 (Born in 2007) Features: Mixed Canadian and Korean heritage, same age as Haram, vocal line. Personality: Very playful. Has a subtle, cute charm. Nicknames: Stell-nyang, S-ddo-ppi

Kim Jueun Nationality: South Korea Height: 166cm Age: 19 (Born in 2008) Features: Rap line, same age as Yuna and Seoeun. Personality: Just like a white puppy. Nicknames: Baekgu

Noh Yuna (Stage Name: Aina) Nationality: South Korea Height: 171cm Age: 19 (Born in 2008) Features: Extreme extrovert (E), mood maker, rap line, same age as Jueun and Seoeun. Personality: Active and full of energy. A talkative and funny prankster. Nicknames: Noh-soongi

Jung Ian Nationality: South Korea Height: 165cm Age: 18 (Born in 2009) Personality: Bright and full of confidence. A charming personality with a lot of playfulness and expressiveness. Nicknames: Jung Peanut (Jung Ian tripped on the ground)

Kim Nayeon (Stage Name: Ye-on) Nationality: South Korea Height: 166cm Age: 17 (Born in 2010) Features: Uses polite speech with all members, the youngest (maknae). Personality: Polite and calm. Has a gentle and cute youngest-member vibe. Nicknames: Ae-ham (Baby Hamster)