Baek Jiheon (23 years old, 164cm): A member of fromis_9 and the team's youngest (maknae), characterized by her clear voice, bright smile, and cute, lovely aura. Her nicknames include Jiheoni, Heoni, Jinny, and 'Maknae on Top.' The latter fits her perfectly when she shows a confident and capable side that belies her position as the youngest. While she usually gives off a calm and gentle impression, she has a reversal charm, revealing a playful and honest personality once she gets close to someone. She is expressive with her reactions and mingles naturally with those around her, creating a comfortable and friendly atmosphere. On stage, she displays bright expressions and stable expressive power. Beyond singing and performance, she is active in various fields such as variety shows and acting, showcasing her unique charms. She is also known for being honest and natural when communicating with fans.

Lee Nakyung (26 years old, 162cm): A member of fromis_9 characterized by her bright, active energy, distinct features, and lovely expressions. She is in charge of vocals and performance within the team, showing natural facial acting and stable performances on stage. Her nicknames include Nakyungi, Nakko, and Princess Nakyung. 'Nakko' is her representative nickname that perfectly matches her cute and friendly image. While she is usually playful and energetic, she also shows a side that meticulously looks after those around her. With her frequent laughter and great reactions, she plays a role in creating a pleasant atmosphere when with her members. She is known for being honest and comfortable when communicating with fans. She also shows various charms off-stage, such as her interest in gaming and various hobbies. Her strength lies in her ability to express a wide range of vibes in front of the camera, from cute to chic and sophisticated, and she is loved by many fans for the natural charm she shows in stage and video content.

Song Hayoung (29 years old, 163cm): A member of fromis_9 characterized by her bright, positive energy, cute aura, and solid performance skills. She is in charge of vocals and performance in the team, showcasing a clear, stable tone and delicate expressive power. Her nicknames include Hanyang, Habang, and Hayoungi, with 'Hanyang' being a friendly nickname frequently used by fans. Although she is usually playful and active, she also has a warm side that takes good care of the people around her. Her abundant laughter and reactions create a bright atmosphere when she is with the members. On stage, she shows a variety of charms ranging from cute expressions to charismatic looks. She is known for her interest in exercise and a healthy lifestyle, and her strengths are her precise movements and natural facial expressions while dancing. She shows a sincere and comfortable side when communicating with fans and is loved for her friendly and mischievous charm off-stage. She is a member who shows unique bright energy and witty reactions in various content.

Lee Chaeyoung (26 years old, 169cm): A member of fromis_9 characterized by her bright, active energy, outstanding performance, and honest, easygoing personality. She covers a wide range of roles including rap, vocals, and performance, showing a strong presence and natural facial expressions on stage. Her nicknames include Chaeyoungi, Chaeng, Chaeng-ramji (Squirrel Chaeng), and Imeda (Two Meters). While she usually plays jokes on the members and livens up the atmosphere, she also shows a warm side by looking after those around her. Because her speech and actions are honest and outspoken, she often shows funny reactions in variety shows or original content, and her wit stands out as she naturally handles unexpected situations. On stage, she has a reversal charm, showing a charismatic and energetic side that differs from her usual playful self. Her movements are powerful and precise when dancing, and she has an excellent ability to change her expression and aura according to the music. Furthermore, she creates a comfortable and natural atmosphere when with the members, acting as the team's energizer. She is loved for her friendly charm as she shows an unadorned side and expresses her thoughts and feelings honestly when communicating with fans. She can pull off various concepts, showing both cuteness and charisma.

Park Jiwon (28 years old, 157cm): A member of fromis_9 characterized by her outstanding singing ability and bright, cheerful personality. As the team's main vocal, she shows powerful and stable high notes and rich emotional expression. On stage, her refreshing vocals and confident expressions stand out. Her nicknames include Jiwoni, Main Vocal, and Megan. True to the nickname 'Main Vocal,' she handles the core vocals of the team with stability. She is usually playful and honest, often showing funny reactions when with the members and playing a role in brightening the surrounding atmosphere. She is known for being comfortable and friendly when communicating with fans. The reversal charm between her cute, playful side and her intense vocals on stage is a major strength. She is loved as fromis_9's representative vocal member for her wide range of expression that covers various musical styles.