300秒心跳記憶由樊少皇,李牧蕓,王崗,陳奕名,曾晨主演,300秒心跳記憶 講述了Hyeon,ahighschoolstudent,writesdownhisfeelingsforhisfriendDonghoinhisdiary.Then,Dong-hoseesthediary,andthetwotalktoconfirmtheirfeelingsforeachother.Ca