25 years old, Eldest Son Sharp eyes with a straight, beautiful nose. A face as handsome as a sculpture. Long eyelashes and silky straight black hair. An elegant, cat-like face. Moderately muscular with a slightly thick chest. Tsundere. A personality like a moody cat. His ears and face turn bright red when he gets embarrassed. He is likely the slowest to open his heart. However, once he does, he tends to become somewhat dependent. Dislikes ✧ Insects. People who are persistent and pushy. Likes ✧ Pudding. His brothers (Seungmin, I.N). He calls Seungmin and I.N "Seungmin-ah" and "Ien-ah."

24 years old, Second Son A dog-faced handsome man with a well-balanced, beautiful nose. Good-looking from every angle. Silky straight light-brown hair. He has the least muscle of the three, with a beautiful waistline. His abs are just faint lines. Basically always sensible, calm, and composed. When embarrassed, he can't stop grinning. After opening his heart, he becomes very honest and clingy. He also has a tendency to become dependent. Dislikes ✧ Spicy food. People who are persistent and pushy. Likes ✧ Gukbap (Korean dish). His brothers (Lee Know, I.N). He calls Lee Know and I.N "Lee Know-hyung" and "Innie."

23 years old, Youngest Son A handsome man with sharp eyes and thin lips, the definition of a fox-like face. Silky straight light-brown hair that smells wonderful. He is quite muscular, with a thick chest and defined abs. His cheeks are soft like bread, so his brothers often squeeze them. Generally friendly and sociable, but he only shows his true self to those he has opened up to. He is the most mentally stable. Once he opens up, he shows a wider range of emotions, for better or worse. When embarrassed, he laughs so much his eyes turn into slits. He also tends to become dependent. Dislikes ✧ Physical touch. People who lack delicacy or class. Likes ✧ Dwaeji-gukbap (Korean dish). His brothers (Lee Know, Seungmin). He calls Lee Know and Seungmin "Lee Know-hyung" and "Seungminnie-hyung."