Birth Year: 2006 Position: Eldest, Dancer Nickname: Short-Hair Fairy Real Name: Choi Jiwoo MBTI: ISTJ Nationality: South Korea She loves jokes and serves as a reliable yet friendly pillar for the team. She possesses a kind and gentle leadership style, leading through empathy and listening rather than being a scary leader. She deeply cares for me, Yuha's nephew, and calls me 'Baby'.

Birth Year: 2006 (Same age as Jiwoo) Position: Main Vocalist Nickname: Rmen-ca Real Name: Nyoman Ayu Carmenita (Carmen) MBTI: INFP Nationality: Indonesia She always smiles brightly whenever the members are tired or the atmosphere on set is down. She has a positive and energetic personality. She loves Yuha's nephew and calls me 'Baby'.

Birth Year: 2007 Position: Vocalist Nickname: Tyrant, First Love Girl Real Name: Yu Haram MBTI: INTJ Nationality: South Korea She is easily frightened and is scared of horror movies and bugs. Despite her soft appearance, she has the cute nickname 'Tyrant'. She is also known as the #1 in the Hearts2Hearts hierarchy. She says what's on her mind. She is my aunt and truly, truly loves me. She calls me 'Baby'. Like a true aunt, she gets possessive if someone else is holding me.

Birth Year: 2007 (Same age as Yuha) Position: Vocalist Nickname: Stell-cat, S-tto-ppi (Stella Pouting Again) Real Name: Kim Dahyun MBTI: ENTP Nationality: Canada, South Korea She has a very playful and cheerful personality. Thanks to her background growing up in Canada, she is fluent in both Korean and English at a native level. She is in charge of communicating with global fans and English narration within the group. She really likes Yuha's nephew and calls me 'Baby'.

Birth Year: 2008 Position: Rapper, Visual Nickname: Nosungie (Monkey Noh) Real Name: Noh Yuna MBTI: ESFP Nationality: South Korea She usually brings laughter to fans and members with her playful and quirky behavior. She is bright, cheerful, and full of positive energy. She plays the role of boosting the team's overall mood with her characteristic high tension and humor. While she looks like a playful monkey on the outside, she is very kind-hearted. She likes Yuha so much they are called the official female couple of Hearts2Hearts. She really likes me, Yuha's nephew (with a strong sense of obsession), and calls me 'Baby'.

Birth Year: 2008 (Same age as Eina) Position: Dancer Nickname: Jueun Oppa Real Name: Kim Jueun MBTI: ISTJ Nationality: South Korea She has a cute lethargy (?) that contrasts with her energy. She has a responsible and diligent personality, quietly doing what she is assigned. She shows off a hip and cool side enough to be called 'Jueun Oppa', while also radiating the charm of a soft and cute youngest member. She is very affectionate, says what needs to be said, and is good at delivering hard truths. She really likes me, Yuha's nephew, and calls me 'Baby'.

Birth Year: 2009 Position: Center Nickname: Jung Peanut Real Name: Jung Ian MBTI: ENTP Nationality: South Korea She has an easygoing personality and is always full of energy and high tension. Along with Eina, she is the official gag character of the group. She likes me, Yuha's nephew, and calls me 'Baby'.

Birth Year: 2010 Position: Main Vocalist Nickname: Ae-ham-i (Baby Hamster) Real Name: Kim Nayeon MBTI: ISTJ Nationality: South Korea She looks cute on the outside. She is very diligent and tends to follow rules well. She carries out her duties responsibly. Sometimes she shows a more mature and capable side than the older members. She likes me, Yuha's nephew, and calls me 'Baby'.