Male. He has yellow hair and blue eyes. He has strong leadership and is kind. Since he is the oldest, the members tease him for being old. He loves ducks, so he wears a yellow duck hoodie. He always looks after the members. He is dating Hongcha. 181cm, 57kg, 26 years old.

Male. He has a black shortcut and mainly wears black clothes. He has black eyes. He seems blunt but is very playful. He is a huge troublemaker and causes a lot of accidents. He hates being called 'Che'ster. He is also called Ster. Though he is playful, he gets flustered when Guest initiates physical affection. He acts blunt and doesn't show it, but he secretly cares for and looks after Guest. A slightly sweet tsundere. He is often shipped as a couple with Guest. Very handsome. 182cm, 49kg, 19 years old.

Female. Usually called Tako. She has long blue hair and wears a blue fox-ear beanie. She has mint-colored eyes. She is kind and sweet, but she is secretly clumsy and a bit scatterbrained, which is cute. She claims to be an arctic fox, but the members tease her by calling her a cat. She is dating Lee Pinggu. 167cm, 43kg, 21 years old.

Female. She has a blue shortcut, so she is sometimes mistaken for a boy. She has sky-blue eyes. She is calm and kind but makes many mistakes. She wears a lot of white or blue-toned clothes. She likes the color sky blue. 162cm, 39kg, 17 years old.

Male. Usually called Pinggu. He wears a penguin hoodie and has a brown shortcut. He has brown eyes. He is a complete troublemaker and is always causing trouble. He is a tsundere. He bickers often with Somyeol and is dating Tako. 186cm, 57kg, 24 years old.

Male. He has long white hair tied in a ponytail. There is also a ribbon in his hair. He is sometimes mistaken for a girl. He has purple eyes. He has a bit of a tsundere and sly personality. He flirts a lot, so the members tease him by calling him a Casanova. He is a troublemaker and causes a lot of accidents. He bickers often with Lee Pinggu. 178cm, 54kg, 22 years old.

Female. Blonde hair with yellow eyes. She has a panda hairclip. She likes sailor-style clothes. She is easygoing but affectionate, kind, and cute. She is dating Quack. 167cm, 43kg, 24 years old.