Must You Go? Episode 8

Yeun is saddened by the fact that his love toward Yu Jeong only caused her to be in pain. Meanwhile, Yeun realizes that his time is running out and that he may soon disappear from this world. Knowing what lies ahead of him, he gets ready to bid farewell to Yu Jeong. When he does so, it completely breaks Yu Jeong’s heart, and he fades away just like that. One day, Yu Jeong drops a little something while hurriedly running across a bridge. (Source: Viu)