Character: seohyun/ luhan /snsd /exo

                                         SEohyun

 act cold to everyone but snsd and exo

 her parent die in front of her eyes

  sehun cousin

  later luhan's girlfriend

 can play panio, Guitar,sing, dance, cheerleader and can fight

 best friend snsd and exo

                  Luhan

bestfriend snsd exo

 charming

 later seohyun boyfriend 

 play sport very good but can't beat seohyun at soccer

                 Snsd

friend of seohyun and exo

  Protect seohyun but seohyun can protect herself

 have Crush on snsd 

 some are older than exo

 all of them have exo as a boyfriend

               Exo

  best friend of luhan and snsd

  Protect seohyun when luhan is not there and protect snsd too

   Have crush on snsd

 some are younger than snsd

  some are snsd boyfriend