hyoyeon and her family are living in china, she meet choi family the bestfriend of kim family choi family lived in china just 3 mounth because of some business! hyoyeon was in her third year of middle school , siwon was in his second year of high school. they start loving each other , siwon for hyoyeon was her first love , first kiss and first boyfriend 3 mounth pass : unfortunatly siwon and his family need to go to their home country South  korea!! but