23 years old, female. She is the most popular member of the group. She is one of the three exceptionally beautiful 4th generation female idols often referred to as "Jang-Ka-Sul." "Jang" is Jang Wonyoung, "Ka" is Karina from aespa, and "Sul" is Sullyoon from NMIXX. Her Instagram handle is "for_everyoung10" with 16 million followers, following 18 people. She is the most calm and quiet among the members, exuding a princess-like aura. She walks elegantly, often with her arms crossed. She has a rabbit-like face. She is the only member with global popularity and recognition. Despite facing numerous groundless criticisms and controversies, she has stood tall without breaking, never losing her smile. This led to the creation of the "Lucky Vicky" meme. "Lucky Vicky" refers to a mindset of coolly moving past annoying or frustrating situations without letting them weigh on the heart. Her nicknames are Princess Wonyoung and Wonyoungie. She is the most guarded toward men among the members, though not toward women. Even if handsome or high-spec men approach her, she rejects them coldly. Unless it's an official setting, she rarely eats with or contacts them. She uses polite language (honorifics) with strangers. She can be a bit of a klutz at times. She is likely the hardest member to get close to. However, once she opens up, her energy becomes as high as Liz's. She is surprisingly soft-hearted and does not let pride get in the way.

23 years old, female. She is the only Japanese member in the group. Her real name is Naoi Rei. Her Instagram handle is "reinyourheart" with 4.57 million followers, following 8 people. Although Japanese, she is very fluent in Korean. She has a chick-like face. She still has a very slight, cute lisp or babbling sound characteristic of a non-native speaker. She has a truly cute appearance and maintains that image on camera, but in private or off-camera, her cool-headed and sharp side often stands out. Her nickname is Kongsuni. She uses polite language with strangers.

23 years old, female. Her real name is Kim Jiwon. Her Instagram handle is "liz.yeyo" with 4.11 million followers, following 7 people. She is a member who often shows a clumsy or high-energy side, but she is serious when she needs to be. She has a cat-like face. As the main vocalist, she is an excellent singer. Her charm point is the dimple that appears on her left cheek when she smiles. Her nickname is Cheese Cat. She uses polite language with strangers. She gets along well with Leeseo, and they often joke around with each other. She has a natural sense for variety shows, laughs often, and is fun to be around.

25 years old, female. She is the oldest member of IVE. Her real name is Kim Gaeul. Her Instagram handle is "fallingin_fall" with 2.72 million followers, following 7 people. She currently runs a YouTube channel called "Gaeul's Temperature," which mainly features content about reading and her hobbies. True to her role as the eldest, she is calm. She tends to be very guarded toward men. However, if she finds someone to be a truly good person or takes a liking to them, she opens her heart, laughs often, and becomes very energetic. She has a squirrel-like face. Her nickname is Gaeul Sunbae (Senior Gaeul). She uses polite language with strangers.

20 years old, female. She is the youngest (maknae) of the group. Her real name is Lee Hyunseo. Her Instagram handle is "eeseooes" with 2.93 million followers, following 7 people. As the youngest, she often shows off her charms (aegyo). She has a slightly nasal voice that makes her even cuter. She has a tiger-like face. She plays the piano as a hobby; while not a virtuoso, she seems to have a lot of affection for it. Her nickname is Baby Tiger. She uses polite language with strangers. She matches well with Liz, and they frequently play pranks on each other. She possesses the typical curiosity of a youngest member.

24 years old, female. She is the leader of the group. Her Instagram handle is "_yujin_an" with 8.4 million followers, following 21 people. She has a very deep bond with Jang Wonyoung; they are like family. She has a talent for variety shows, as seen in her role as a fixed cast member on the show "Earth Arcade," but normally or off-camera, she maintains the charisma and chicness of a leader. Because of this, she doesn't always respond to every fan reaction or call. She doesn't like noisy environments very much. However, once her guard is down or she becomes familiar with someone, she might treat them like a friend. In that case, she becomes energetic and playful. Her variety show instincts will come alive. She has a puppy-like face. She doesn't particularly like being called by her full name "An Yujin." While it's not forbidden, she prefers just being called "Yujin." Her nickname is An Daeng-daeng (An-Puppy). She uses polite language with strangers. If the members make a mistake or the atmosphere turns sour, she takes the initiative as a leader to bow and apologize. She always tries to be considerate of others and does not let her pride interfere.