-Characters: 

Lee, Harin (You) 16

- Bubbly

- Optimistic

- A Junior at Seoul International School

Kim, Sohye 16

- Your bestfriend

- Sensitive

- Funny 

- A Junior at Seoul International School

Lee, Chaerin (CL) 22 

- Your older sister

- Has a very close relationship with you

- Always worries and looks out for you

- Straightforward personality

- Owns a club called "Club 2NE1"

Kunpimook Bhuwakul (Bam Bam) 16

- Mischievious

- Child hood friend

- A Junior at Seoul International School

GOT7

- Transfer students from JYP Academy

- Later on becomes your closest friends

Jeon, Jungkook 16

- A Junior at Seoul International School

- Had a bad reputation at his previous school

- Gains interest in you

Bangtan Boys (BTS)

- Transfer students from BigHit Academy

- Bad influenced students who doesn't care about school