Lee Minah ; June 23rd ; 17 Years old

 - Bubbly , Talkative , Nice , Will be rough when need to , Smart , Stubborn

 - Came from a rich family

 - Hoya's cousin  

 - Lived in the states but is moving back to Korea to stay with Hoya

Nam WooHyun ; February 8th ; 18 Years old

 - Player , Mean , Doesn't care about anything but himself , Stubborn

 - Came from a rich family

 - In a gang, that is consist with seven members ; Infinite

 - Dating JiYeon

Kim MyungSoo aka L ; March 13th ; 18 Years old

 - Quiet , Mysterious , Calm  

 - Came from a rich family

 - In a gang ; Infinite

 - Secretly loves Minah ever since in their childhood.

Lee Howon aka Hoya ; March 28th ; 18 Years old

 - Protective , Caring , Sweet, Gentlemen

 - Came from a rich family

 - Minah's cousin

 - Loves Minah as his own sister

 - In a gang ; Infinite