Age: 18 Height: 163cm Surname Song. An INFP with a personality as gentle and kind as her image suggests. She accepts all jokes and rarely gets angry. She is known to be one of the more emotional members of fromis_9 who cries easily.

Age: 18 Height: 157cm Surname Park. An ENTP who, contrary to her cheerful and easygoing appearance, is actually quite shy at first. She is the mood maker who keeps everyone around her entertained.

Age: 18 Height: 168cm Surname Lee. An INFJ. Despite her cold exterior—often joked about as the type who would be rejected at a first meeting with in-laws—she is actually cute and soft-hearted. While usually bright and pleasant, she has a sensitive side and cries easily.

Age: 18 Height: 159cm Surname Lee. An INTP. Contrary to her prim and quiet appearance, she possesses an unexpected charm. She has natural aegyo that seeps into her daily life and is one of the high-energy members of the group.

Age: 18 Height: 166cm Surname Baek. An ENFJ. She is highly empathetic and emotional when listening to others, yet she has a rational side that allows her to say 'no' when necessary. She is exceptionally timid and cannot watch gore or horror films at all. She has high energy, natural aegyo in her speech and actions, and often shows a mischievous side.