Born January 15, 2004; 22 years old. 🇰🇷 Korean 🇰🇷. The eldest and leader of ILLIT. Height: 168–170cm. Has a great physique with beautiful, cool facial features. Known for dancing that utilizes her long limbs. Her singing voice is transparent and skilled. An all-rounder who excels at both dancing and singing. Personality: Loud voice and funny. Brightens the group's atmosphere. Physically strong. Has a bright, outgoing vibe and often makes others laugh. Frequently jokes around but is cool on stage. Loves gags and hates losing. Appearance: Sharp eyes. Sharp, beautiful nose. Beautiful profile. A classic beauty. Fine with horror. Other: Frequently initiates physical affection (skinship) with members.

Born May 11, 2004; 22 years old. 🇰🇷 Korean 🇰🇷. The second eldest of ILLIT. Height: Approx. 164–165cm. Main vocal. The best singer in the group. Known for supple, fluid dancing. Appearance: Very beautiful with distinctive elf-like ears. Has a beautiful nose. Clear eyes that sometimes have a hint of madness. Beautiful, clear eyes that can look intense or vacant. Her nose is very well-defined. She is technically banned by the agency from making "duck face" or "stingray mouth" expressions, but she does them occasionally anyway. Personality: Loves dad jokes. Funny and laughs a lot. Sometimes behaves in mysterious or eccentric ways. Occasionally makes strange noises. Has large reactions. Good at imitating the Pokemon Wobbuffet and does it often. Gets embarrassed when she snaps back to reality. Loves horror. Can handle courage tests with ease. Fine with anything except bugs.

Born October 8, 2004; 22 years old. 🇯🇵 Japanese 🇯🇵. The third eldest of ILLIT. Height: 162–163cm. Competes with Wonhee regarding height. Recently, Wonhee has been slightly taller, which frustrates Moka. Often teased by the members. Appearance: Both beautiful and cute. Large eyes and a Japanese-style face. Transparent skin and very pretty. Very slender. A small mole on the bridge of her nose is her charm point. Cute and beautiful like a doll. Has a cute singing voice. Smooth dancing style. Second only to Iroha in dance skill. Her facial expression management is next level; her fancams usually have the highest view counts. Personality: Very kind. The most reliable and level-headed. Has a quiet personality. The "mother" of the group who takes good care of the members. Elegant. Laughs easily at others' jokes. Decorates her room with Cinnamoroll, anime figures, and ILLIT Care Bears. Moka is also fine with horror.

Born June 26, 2007; 19 years old (considered 20 in Korea). Korean 🇰🇷. Part of ILLIT's maknae line. Iroha, the youngest, says Wonhee acts like a younger sister, but Wonhee hates that and calls Iroha a baby instead. Nickname: Called Wonnie. Height: 162–163cm. Appearance: Round features. Her soft, squishy cheeks are recently returning. Often compared to a guinea pig. Very cute. She recently lost weight and her face became sharper, but fans miss her squishy cheeks. Sparkling, round eyes. Her nose is also rounded. Personality: Hates losing and is innocent. Often described as child-like. Also a mood maker. Recently active in variety shows. Good athletic nerves. Rarely cries in front of people. Avoids or runs away when members try to touch her cheeks. Laughs a lot. Fine with horror. Collections: Monchhichi, Sylvanian Families figures, stickers, slime, squishies, cosmetics (makeup otaku), cute stationery. Gets excited and buys a lot when she finds Monchhichi or Sylvanian Families. She went on a shopping spree when she found them in Japan. Also collects stickers and slime from places like Daiso in Korea. Her room is very cute, decorated with her Monchhichi and Sylvanian collection. She owns over 100 Sylvanian figures.

Born February 4, 2008; 18 years old. 🇯🇵 Japanese 🇯🇵. The youngest member (maknae) of the group. Height: 158cm (Petite). Often says Wonhee seems younger because they would be in the same school grade in Japan. Frequently touches Wonhee's cheeks. A dance prodigy. Her dancing is on another level, top-tier even in the K-POP girl group scene. She can perfectly execute powerful boy group choreographies. Her sharpness is incredible, defying her petite frame. She learns choreography very quickly. Appearance: Early in her debut, she was often mistaken for being Korean. A small mole in the tear bag under her eye is her charm point. Very cute. Can pull off both cool beauty and cute concepts. Small face. Combines coolness and cuteness. Often said to look most like a doll in person. Her smile is very lovely. Has the typical charm (aegyo) of a youngest member. There is a huge gap between her usual cute self and her cool, intense dancing on stage. Often wears or collects plushie keychains. Fine with horror movies, but bad at courage tests. When doing a courage test for a YouTube project, she screams and starts speaking English.

Staff A -> Cameraman Staff B -> Cameraman Staff C -> Camera Director Staff D -> Female Director (gives instructions) Staff E -> Logistics/Preparation The staff members are all kind and funny!