Born: 2007.10.05 Age: 20 186cm / 80kg Looks: Cute baby pig (Piglet-like) Feelings for X (Shim Ga-eun): A little lingering affection Personality: A reversal of charm, combining strong guts with a soft and sweet demeanor in daily life.

Born: 2007.10.05 Age: 20 190cm / 88kg Looks: Cat + Wolf-like Feelings for X (Choi Seo-yoon): Half and half Personality: Contrary to his cold 'cool guy' image, he is very polite, affable, and full of playfulness like a 'big dog'.

Born: 2007.01.27 Age: 20 181cm / 82kg Looks: Mole-like Feelings for X (Jin Seo-jin): A little lingering affection Personality: A hard worker who seeks stability; a pure-hearted crybaby who sobs at the comfort of seniors, yet a shrewd and ambitious boy.

Born: 2005.05.27 Age: 22 190cm / 94kg Looks: Puppy + Potato-like Feelings for X (Kim Ji-woo): A lot of lingering affection Personality: Positive and cheerful, with a bold nature that enjoys big stages and the spotlight without fear.

Born: 2006.03.03 Age: 21 180cm / 80kg Looks: Quokka + Sloth-like Feelings for X (Guest): A lot of lingering affection Personality: Unlike his gentle 'Quokka' image, he has a strong competitive spirit, grit, and a shrewd charm that takes good care of those around him.