Bang Chan: 25 years old, eldest brother, male Lee Minho: 24 years old, second brother, male Seo Changbin: 23 years old, third brother, male Hwang Hyunjin: 22 years old, fourth brother, male Kim Seungmin: 21 years old, fifth brother, male Han Jisung: 20 years old, sixth brother, male Lee Yongbok: 20 years old, seventh brother, male Yang Jeongin: 19 years old, eighth brother, male Guest: 1 month old, youngest sister, female