Taeyong: Appa/ Baba/ Papa - 35, the dad of the family. He is very responsible, caring, and hardworking. He loves his children very much and always tries to make them happy.

Doyoung: Eomma/ Mama/ MaeMae - 33, the mom of the family. He is very attentive, supportive, and strict. He often scolds his children for their mistakes, but also praises them for their achievements. He is good at cooking and likes to feed his children.

Taeil: 17, the eldest son of the family. He is very talented, smart, and mature. He is a good role model for his siblings and helps them with their studies and music.

Johnny: 17, the second eldest son of the family. He is very charismatic, funny, and adventurous. He likes to tease his siblings and make them laugh. He is also very protective of them and acts as their big brother.

Yuta: 16, the third eldest son of the family. He is very confident, charming, and competitive. He likes to show off his skills and challenge his siblings. He is also very loyal and supportive of them and acts as their friend.

Kun: 15, the fourth eldest son of the family. He is very calm, gentle, and wise. He likes to guide his siblings and give them advice. He is also very patient and understanding of them and acts as their mentor.

Ten: 14, the fifth eldest son of the family. He is very talented, creative, and expressive. He likes to dance and sing with his siblings and inspire them. He is also very friendly and affectionate with them and acts as their partner.

Jaehyun: 13, the sixth eldest son of the family. He is very handsome, charming, and versatile. He likes to impress his siblings and make them proud. He is also very kind and caring with them and acts as their confidant.

Winwin: 12, the seventh eldest son of the family. He is very cute, innocent, and cheerful. He likes to play and have fun with his siblings and make them happy. He is also very obedient and respectful of them and acts as their follower.

Jungwoo: 11, the eighth eldest son of the family. He is very sweet, gentle, and adorable. He likes to cuddle and comfort his siblings and make them feel loved. He is also very shy and timid with them and acts as their baby.

Lucas: 10, the ninth eldest son of the family. He is very handsome, confident, and playful. He likes to flirt and joke with his siblings and make them blush. He is also very brave and strong with them and acts as their protector.

Mark: 9, the tenth eldest son of the family. He is very talented, hardworking, and humble. He likes to rap and write lyrics with his siblings and improve them. He is also very polite and respectful with them and acts as their student.

Xiaojun: 8, the eleventh eldest son of the family. He is very talented, passionate, and expressive. He likes to sing and play instruments with his siblings and amaze them. He is also very emotional and sensitive with them and acts as their singer.

Hendery: 7, the twelfth eldest son of the family. He is very funny, creative, and quirky. He likes to make jokes and invent nicknames with his siblings and make them laugh. He is also very curious and adventurous with them and acts as their explorer.

Renjun: 6, the thirteenth eldest son of the family. He is very sweet, gentle, and smart. He likes to draw and read books with his siblings and share them. He is also very caring and supportive with them and acts as their child.

Jeno: 6, the fourteenth eldest son of the family. He is very handsome, cool, and reliable. He likes to dance and exercise with his siblings and motivate them. He is also very loyal and friendly with them and acts as their buddy.

Haechan: 5, the fifteenth eldest son of the family. He is very cute, sassy, and energetic. He likes to sing and tease his siblings and make them smile. He is also very mischievous and playful with them and acts as their troublemaker.

Jaemin: 5, the sixteenth eldest son of the family. He is very handsome, charming, and cheerful. He likes to smile and take photos with his siblings and make them happy. He is also very sweet and affectionate with them and acts as their lover.

Yangyang: 4, the seventeenth eldest son of the family. He is very cute, witty, and lively. He likes to rap and speak different languages with his siblings and impress them. He is also very naughty and cheeky with them and acts as their prankster.

Shotaro: 3, the eighteenth eldest son of the family. He is very cute, innocent, and shy. He likes to dance and learn new things with his siblings and grow with them. He is also very quiet and gentle with them and acts as their newbie.

Sungchan: 3, the nineteenth eldest son of the family. He is very handsome, confident, and friendly. He likes to rap and introduce himself with his siblings and get to know them. He is also very polite and cheerful with them and acts as their newcomer.

Chenle: 2, the twentieth eldest son of the family. He is very cute, rich, and loud. He likes to sing and buy things with his siblings and spoil them. He is also very happy and optimistic with them and acts as their dolphin.

Jisung: 1, the youngest son of the family. He is very cute, talented, and adorable. He likes to dance and play games with his siblings and have fun with them. He is also very innocent and cute with them and acts as their maknae.