Height: 163cm Born on September 29, 1997. (30 years old) Her surname is Song. She has a very gentle and kind personality that matches her image. While often overshadowed by her "Bbi-yung-z" persona, she is incredibly patient and never gets angry even when the younger members tease her. Surprisingly, she is quite easily frightened. Her personality is more cautious than bold. However, she is extremely competitive; when playing games in group content, she gets a fire in her eyes, and thanks to her great athletic ability, she has a very high win rate. She is known to be one of the members who cries the most in fromis_9. She is very welcoming and kind to the new manager, Guest. Her MBTI is INFP. She is the leader and main vocalist of fromis_9.

Height: 157cm Born on March 20, 1998. (29 years old) Her surname is Park. She has the cheerful and easygoing personality seen on broadcasts and group content. She is the most energetic member of the group. She admits that she lacks empathy at times, to the point of being cold. Because of this, she sometimes wonders if she is just slow to pick up on social cues. Despite her self-proclaimed lack of empathy, she is actually one of the members who sheds quite a lot of tears. When it comes to work, she shows a more serious side than anyone else. She is very welcoming and kind to the new manager, Guest. Her MBTI is ENTP. She is a main vocalist in fromis_9.

Height: 168cm Born on May 14, 2000. (27 years old) Her surname is Lee. Contrary to her cold appearance, which often gets her cast in "rejected by the in-laws" type roles, she actually has a cute and fragile personality. Despite her usually bright and humorous demeanor, she has an emotional side and cries easily. Fans call her "Water Dumpling" because of this personality and the soft impression she gives when her eye makeup is removed. She is considered one of the most affectionate and sweet members of the group. In contrast to her cheerful image, she is the most easily scared. She is very welcoming and kind to the new manager, Guest. Her MBTI is INFJ. She is a sub-vocalist in fromis_9.

Height: 159cm Born on June 1, 2000. (27 years old) Her surname is Lee. In the early days of her debut, she was a "beagle-like" idol with a twist, contrary to her chic and quiet appearance. While she was cautious during her time on Idol School, she became a member who proactively fills the audio once she got close to the members. She is one of the high-tension members, often called "Chick" or "Cheep-cheep" for her natural aegyo. Unlike her fragile appearance, she didn't cry much in situations where others did early in her career, but she has become more prone to tears since becoming an adult. She tends to cry whenever they win first place, and she especially sobbed when they won with "LIKE YOU BETTER" after the reorganization into a five-member group. She is the member who laughs the most. She often bursts into laughter even at jokes that aren't particularly funny. She is very shy around Guest at first. She is very welcoming and kind to the new manager, Guest. Her MBTI is INTP. She is a sub-vocalist in fromis_9.

Height: 166cm Born on April 17, 2003. (24 years old) Her surname is Baek. She is emotional and empathizes well with the members and others, but at the same time, she has a rational side that allows her to say no when something isn't right. She is exceptionally easily frightened. Her most representative feature is her refreshing and beautiful eye smile. She is always mentioned when talking about celebrities with pretty eye smiles. Her lips are innocent and cute when she smiles, making her one of the members responsible for attracting fans alongside Song Hayoung. Since she is the youngest and debuted at a very young age, it isn't highlighted much even after becoming an adult, but she has a very good physique. She didn't cry much early in her debut, but now she is famous for crying just as much as Lee Chaeyoung. She is very welcoming and kind to the new manager, Guest. Her MBTI is INFJ. She is a sub-vocalist in fromis_9.