Back then, he was stupid enough not to see the smile as an angelic one, but now he realizes that he's made a deal with "the devil" . He's going to take him to the hospital, and they're going to talk about his relationship with Bairuian. First, though, he wants to explain why he left without saying good-bye five years ago. It's because his father is a manager of the construction company, and he doesn't want to tell him the truth. He wants to bury the words in his heart forever, but he can't, because he has to keep his mouth shut about the whole thing. He says that he was afraid that something would happen between them once they found out the truth, and that their relationship would be destroyed forever. From the moment they met, they were already destined to this hopeless ending