(OC)

Mun Ra Yeon

She hates Changjo since their childhood. Her father is Mun Jung hyuk (Eric) owner of Top Class Ent.
She didn't see Changjo since years, but if her family move back to Seoul from Busan. Calls Changjo Jjung-pa

Choi Jonghyun / Changjo

Knows Ra Yeon since years and likes her to tease. His father is Choi Sunho (Andy forget that his last name Lee is .__.) owner of TOP Media.
He is a player and flirts a lot. Doesn't want to have Min hee around him!

In the company Top Class Ent. is BAP. Yong guk (leader) is the brother of Ra Yeon. He wants that Ra Yeon and Jongup become a couple. Yong guk likes to scared other boys. Ra Yeon and Zelo are close, takes lot of time. (Member of BAP: Yongguk , Himchan, Daehyun, Youngjae, Jongup &Zelo)
 

(OC)(OC)
 

Lee Min ki is the new best friend of Ra Yeon. She likes Zelo.

Lee Seung hyun is the nicest guy of the school and a good friends with Minki & Ra Yeon

Changjo best friends :
Ukwon starts to love Min ki
Ricky is in a relationship with Cho hee
Kai is in a relationship with Hana
Taemin loves Hei Ryung , but she is already in a relationship so they're just friends

Cho hee loves Ricky best friend of Min hee. (OC)
Hana loves Kai best friend of Min hee (OC)
Hei Ryung in a relationship with Luhan and good friend with Taemin (OC)
Luhan loves Hei Ryung jealous at Taemin

(OC)

Min hee was in a on off relationship with Changjo, she still loves him.
She hates Rae Yeon. She is often jealous if she sees Changjo with other girls.
She loves to play games with other. Lot's of boys have a crush on her.