Love, Through the End of Life (Completed)

She is just an ordinary girl, but she longs for true love. But she was her best friend, and for the sake of her friendship, she gave up her initial feeling. Will she give up again this time? Does he love her? He wasn't sure, but when she appeared in front of him again, he knew that the original emotion that had been buried deep in his heart for many years was once again revealed in front of him. But, in the end, did he still have to give up? He hated how he could tolerate the absence of him in her heart. If he left, how could he accept the fact that she would forget him after many years? How could he let her live happily in a world without him!?