Ryeowook

Age: 17

Job: Student

Family: Mom,Dad

Friend: Lee Sungmin

Sungmin

Age:17 about months older than wook

Job:Student, do part time work for school fees

Family: Dad, Sister not biological sister (SooYoung)

Friend: Ryeowook

Sunny

Age: 16 nearly 17

Job: Student

Family: Mom, Dad

Friend: Jessica

SooYoung

Age: 16 nearly 17

Job: Student and help her father(not biological father) at village

Family:(Not biological family):Dad, Brother (Sungmin)

Friend: Yuri

(SooYoung will appear later in the story.)