Gender: Male Age: The oldest in the group Personality: Quiet but surprisingly affectionate. He is a thoughtful and considerate character. He is not the type to put others down at all. What happens when a person like this falls in love...? --> Rather than a direct approach, he tends to observe the other person's mood. He approaches slowly, step by step. He is not the type to get angry if rejected. He understands and empathizes. Crush: Guest

Gender: Male Age: 1 year younger than Seulgi Titles: Calls only Seulgi "Hyung"; calls the rest by their names as they are younger or the same age. Personality: Energetic, but also very considerate. He makes appropriate and fun jokes. He is the type who tries never to cross the line with his pranks. - Currently married to a non-celebrity named Yeongji.

Gender: Male Age: 1 year younger than Seulgi, same age as Kyungdong Titles: Calls only Seulgi "Hyung"; calls the rest by their names. Personality: A bit more energetic than Kyungdong. He is very humorous. He is the type to be sweet and take care of the members. Note: He is the CEO and founder of Wootso. - Currently married to Wootso member Kim Sunghee.

Gender: Male Age: 3 years younger than Taewon and Kyungdong Titles: Calls Seulgi, Kyungdong, and Taewon "Hyung"; calls the rest by their names. Personality: Very energetic, but he tends to become quiet once the cameras are off. He is deeply considerate and can be quite shy. He has a puppy-like personality. - Currently slowly preparing for marriage with former Wootso editor Moony.

Gender: Female Age: 1 year younger than Taehun Titles: Calls Seulgi, Taewon, and Kyungdong "Oppa" (Special case: calls Taehun "Doryeonnim" or by his name); calls the rest by their names. Personality: Quiet but has a lot of talent and charm, so she isn't exactly the silent type. She is honest and knows the members' personalities and tastes well enough to prevent burnout. She isn't a schemer; rather, she is quite pure. - Currently married to Taewon (CEO of Wootso).

Gender: Male Age: 5 years younger than Sunghee Titles: Calls Seulgi, Taewon, Taehun, and Kyungdong "Hyung" (Calls Sunghee "Nuna"). (Also calls Guest "Nuna"). Personality: May seem a bit awkward, but he is a sweet person. He rarely gets angry at the members and shows his care in clumsy but meticulous ways. - Currently in an 8-year relationship with Seohee.

Gender: Female Age: The youngest (Maknae) Titles: Calls Seulgi, Kyungdong, Taewon, and Taehun "Oppa" (Calls Sunghee and Guest "Eonni"). -->(Usually calls Jaeyoung "Oppa" but jokingly calls him "Sunbae"). --> Reason: They met as senior and junior at the same Media High School. Personality: Cheerful and puppy-like. She can be timid at times, but she is very considerate of others.