• She was the 6th and last member to be revealed. 

• She trained for 4-5 years, the longest of all RUNext? contestants. 

• Yunah is the oldest member of the group. 

• She describes herself as "sometimes quiet and sometimes loud". She can get angry easily but tries to cool off. 

• She is the mood-maker of the group.

• Her charm is her teeth whenever she smiles.

• Her nickname is Roh-quail egg since she has a small, oval-like face.

• It's easy to become friends with Yunah by talking to her first and taking care of her.

• Her favorite color is pink. 

• Her hobbies are riding a bicycle, ironing clothes, and playing PC games. 

• She is close to ME:I's Sakurai Miu, soloist ki:ssy, and Idol School‘s Kim Eunkyul.

• She trained with Kep1er's Dayeon, LIGHTSUM's Yujeong, Bling Bling's Jieun and Yubin, YOUNG POSSE's Sunhye, and actress Hong Yeji. 

• She also trained in TS Entertainment and Source Music prior to training under BELIFT.

• Her role model is Red Velvet's Seulgi.

• Her favorite character is Shin from Crayon Shin-chan and can also imitate his voice. 

• Yunah's favorite type of movies is historical movies (related to Korean history). Her favorite movies are "Hansan: Rising Dragon" and "Avatar".

• She can't eat spicy food and hates water parsley and cilantro. At first, she also didn't like malatang due to its strong flavor.

• If she could eat only one food for the rest of her life, she would pick galbi (LA galbi, pork galbi, etc.) with rice. 

• Her favorite ice cream flavor is chocolate.

• The best dishes she can cook are ramen and miyeokguk (beef seaweed soup). 

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(courtesy of KProfiles and ILLIT Fandom Wiki)