Suzy Bae (You) 

-14 yearsold (3rd year H.S) 
-Cheerful,energetic and kind type 
- She's a 2nd year H.S when she admit her love to her 1st love but the boy regret her & she's not ready to fall in love again. 

Minhyuk 

-14 yearsold (3rd year H.S) 
-nerd,greedy and lazy type 
- When your a new student in Performing Arts School he became your bestfriend and finally he secretly likes you. 

Youngmin 

-14 yearsold (3rd year H.S) 
-Silent and cold type 
- He's the person you like before and when you transfer in school destiny brings you to his school and he starts to like you when he and her yeoja break up. 

Onew 

-14 Yearsold (3rd year H.S) 
- Cool,romantic and funny type 
- He's an hearthrob and playboy but you are he's first love. 

Jiyoung 

-14 yearsold (3rd year H.S) 
-cute,kind and cheerful type 
- She's your bestfriend together with Minhyuk and she always help minhyuk to admit to you. She's sandeul's Girlfriend and Hearthrob in boys. 

Sandeul 

-14 yearsold (3rd year H.S) 
-Cute and genius type 
- He's just a normal boy who likes lollipop and really care for his Yeoja Jiyoung. 

Sunny 

-15 yearsold (4th year H.S) 
-beautiful and sporty type 
- She's a sporty type who loves sports and never thinks of love she became your Unnie. and she really don't like sungmin but then realise that she likes him already. 

Sungmin 

-15 Yearsold (4th year H.S) 
-animal lover type 
- He likes Sunny since they're 2nd year HS but sunny regret him but even though he stills try he's best to make sunny like him.

Nicole  

-14 yearsold (3rd year H.S) 
- Kind outside but Bad inside type 
- She's the ex Yeoja of youngmin who really hates you because your the reason why they broke up 

Jinyoung 

-15 yearsold (4th year H.S) 
- Music addict type 
- He's childhood friend with sandeul and jiyoung and also likes jiyoung but jiyoung and sandeul love one another. 

H TWINS 
-15 yearsold (4th year H.S) 
- villain types
- Hyunah likes Sungmin and hyunseung like Sunny so as twins they try there best to break their love. 

Woori 
-13 yearsold (2nd year H.S) 
-cute and inoccent type 
-She's your little sister who hate you since your childs because you always steal her belongings like the love of your parents and minhyuk. 

Kevin 

-13 yearsold (2nd year H.S) 
- cute and cheerful type 
- 2nd years hearthrob and likes woori and he makes woori and you get along to each other.