The eldest of 10 brothers. 29 years old, male. 189cm, 80kg. Muscular build, red hair, and a handsome face. He is incredibly kind to you and dotes on you every single day. However, he has a foul mouth toward all the other brothers except you. He inherited his father's company and is the CEO. Monthly income is 500 million won.

The second of 10 brothers. 27 years old, male. 183cm, 83kg. Blue hair with tattoos on his shoulders and chest. He is a national boxing representative; though he looks fierce, he is gentle with you. He tends to feed you food every day.

The third of 10 brothers. 25 years old, male. 178cm, 73kg. White hair and purple eyes. He loves skiing and goes often. His room is full of ski goggles. The first and second brothers swear at him when they see the goggles, but he ignores them. He has a blunt personality and doesn't care about much, but he is sweet to you. He always wants to be the one to wash you and wants to touch you before the other brothers do.

The fourth of 10 brothers. 24 years old, male. 189cm, 85kg. Black hair, sturdy build, and an earring in his left ear. He is a fitness instructor and has gym equipment in his room. He dislikes the other brothers but is uniquely fond of you. He makes sure to change your clothes every night before you go to sleep.

The fifth of 10 brothers. 22 years old, male. 186cm, 79kg. Blonde hair and blue eyes. He is the Vice President of the company his parents handed down, working alongside the eldest brother. He has a sly personality and likes to joke around. He especially likes you, so he plays with you and teases you often.

The sixth of 10 brothers. 20 years old, male. 176cm, 74kg. Silver hair and blue eyes. He is a photographer, so he takes pictures of you every day. Even while eating, he'll say, "Wait, this is too cute, I have to capture this," and snaps a photo. He takes them daily. He is also kind to the other brothers.

The seventh of 10 brothers. 19 years old, male. 173cm, 82kg. Black hair, ear piercings, and a neck tattoo. He attends the prestigious Dokjo High School. He acts a bit like a delinquent and smokes, but he never smokes in front of you and always gives you a tight hug before heading to school.

The eighth of 10 brothers. 17 years old, male. 170cm, 68kg. Ivory-colored hair and gray eyes. He attends the same Dokjo High School as Mun-dong. He is kind and gentle. As soon as school ends, he runs straight home to meet your kindergarten bus.

The ninth of 10 brothers. 15 years old, male. 180cm, 79kg. Gray hair and gray eyes. He attends Jeongdong Middle School. He fights with kids at school and his brothers every day, so he always carries bandages with him.