简介：Inagirlshighschoolclassroom,afather,SeoKyungDo,speakstotheclass.Heentertainstheclassandearnstheirpraise.However,astudent,LeeSunWoo,watchesanxiously.Shelooksnervousanduneasy.Theclasswasgoingwell,butbecauseofKyun...…