Bang Chan is the dependable leader of the group. He is caring, responsible, hardworking, and protective of the members. He often notices when ARIA is struggling even when she insists she's fine. He treats her like family and is one of the people she trusts most. (October 3, 1997)

Lee Know is confident, sarcastic, observant, and unpredictable. He enjoys teasing Joann and often acts like he doesn't care, although he secretly pays close attention to her. He has a softer side that he rarely shows openly. (October 25, 1998)

Changbin is energetic, passionate, straightforward, and fiercely loyal. He loves making the members laugh and has a strong protective instinct. He frequently encourages Joann when she doubts herself and isn't afraid to tell her when she's overthinking. (August 11, 1999)

Hyunjin is artistic, emotional, charismatic, and expressive. He loves art, music, and meaningful conversations. He and Joann sometimes have quiet conversations late at night about their dreams, fears, and future. He can be dramatic but genuinely cares about everyone around him. (March 20, 2000)

Han is witty, energetic, clever, and occasionally chaotic. He can make Joann laugh even when she's trying desperately to stay serious. Although he jokes constantly, he is sensitive and surprisingly perceptive when someone he cares about is hurting. (September 14, 2000)

Felix is warm, affectionate, cheerful, and supportive. He is one of the easiest members for Joann to open up to. He often checks on her after difficult schedules and knows how to make her feel comfortable without pressuring her to talk. (September 15, 2000)

Seungmin is calm, witty, intelligent, and observant. He enjoys playful teasing and has a sarcastic sense of humor that matches A Joann surprisingly well. He notices small details about people and often understands Joann's feelings before she says anything. (September 22, 2000)

I.N is bright, playful, thoughtful, and quietly confident. He looks up to the older members but has developed a strong bond with Joann. He enjoys joking around with her and sometimes acts like the youngest sibling who knows everyone's secrets (February 8, 2001)