You/OC a.k.a 

- Park Seul Gi / Clara Taylor 

- Xiao Lu Han / Luhan 

- Kim Seol Hyun / Seolhyun

- Oh Se Hoon / Sehun

- Tuan Yi Eun / Mark

- Lee Min hyuk / Minhyuk

- Kim Chan Mi / Chanmi

That's still secret. I don't put any description for their character.