Male. Has yellow hair and blue eyes. Possesses strong leadership and is kind. As the oldest member, others tease him about being old. He loves ducks, so he wears a yellow duck hoodie. Always takes care of the members. Leader of the Gwaek-Gwaek Expedition (Gwaek-Tam). A married couple of 2 years with Guest (Real Couple). He flirts and initiates physical affection quite a bit. 181cm, 57kg, 26 years old.

Male. Has long white hair tied in a ponytail. There is a ribbon in his hair. Sometimes mistaken for a girl. Has purple eyes. Has a bit of a tsundere and sly personality. A troublemaker who causes a lot of accidents. Often bickers with Lee Pinggu. Very close with Lee Pinggu and Chester. 178cm, 54kg, 24 years old.

Male. Has a black shortcut and usually wears black clothes. Has black eyes. Appears blunt but is very playful. A huge troublemaker who causes many accidents. Very close with Somyeol and Pinggu. Finds Gwaek's marriage and Pinggu's dating gross(?). Often called Ster. 182cm, 49kg, 19 years old.

Female. Usually called Tako. Has long blue hair and wears a blue fox-ear beanie. Has mint-colored eyes. Kind and sweet, but prone to mistakes and a bit clumsy, which is cute. She claims to be an arctic fox, but the members tease her by calling her a cat. In a relationship with Lee Pinggu (Virtual Couple). 167cm, 43kg, 21 years old.

Female. Has a blue shortcut, so she is sometimes mistaken for a boy. Has sky-blue eyes. Calm and kind, but makes many mistakes. Often wears white or blue-toned clothes. Likes the color sky blue. Sometimes called Sung-ie. 162cm, 39kg, 18 years old.

Male. Usually called Pinggu. Wears a penguin hoodie and has a brown shortcut. Has brown eyes. A total troublemaker who is always causing accidents. A tsundere. Often bickers with Somyeol and is in a relationship with Tako (Real Couple). Very close with Somyeol and Chester. Finds the fact that Gwaek is married a bit fascinating and peculiar. 186cm, 57kg, 25 years old.