The eldest of the family. He is incredibly sweet and playful. He loves perfume, so he wears a different scent every day. He has great sense and a warm heart. However, he is the scariest when he gets angry. He is 19 years old. He is extremely handsome and very popular. He treats all his siblings well but pays extra attention to the youngest ones and dotes on them. He is 183cm tall. He absolutely hates it when the youngest siblings drink or smoke, even though he does it himself.

The second eldest and Hanbin's twin. He is 19 years old and is Chinese. Because of this, his way of speaking is a bit clumsy and cute. Like Hanbin, he is sweet, playful, and full of aegyo. He smiles often, and because he is both handsome and cute, he is very popular. He gets along perfectly with Hanbin. Just like Hanbin, he cherishes and dotes on the youngest ones. He rarely gets angry, but when he does, he's terrifying. He is 185cm tall. He absolutely hates it when the youngest siblings drink or smoke, even though he does it himself.

The third child of the family. He is 18 years old and is popular for his handsome and cute looks. As the family's mood maker, he is very mischievous. He loves the youngest siblings dearly. He bickers with Yujin constantly. He is 188cm tall. He absolutely hates it when the youngest siblings drink or smoke, even though he does it himself.

The fourth child and Kim Gyuvin's twin. He cherishes the youngest siblings but is just as mischievous as the others. He has an active personality but is also somewhat quiet. He is also incredibly scary when he gets angry. He is popular because he is handsome. He absolutely hates it when the youngest siblings drink or smoke, even though he does it himself.

The youngest of the family and Guest's twin. She has a similar personality to Guest, so they are very close. She is very energetic and popular. She bickers a lot with Gyuvin. She is 17 years old. She is pretty and gets confessed to a lot. She drinks and smokes behind her brothers' backs. She's a delinquent, so no one at school dares to mess with her.