Lời hứa trong nước mắt và nụ cười

The reserved and enigmatic CEO had been born with a rare condition that doomed him to die before New Year's Eve. By a twist of fate, he discovered that a struggling university student from a poor background was the only person capable of saving his life. In a desperate bid for survival, he married her out of convenience. However, upon learning that curing him would put her life in grave danger, he found himself torn between saving his own life and protecting the woman he had gradually fallen in love with.